Information for Area Code: 847-xxx-xxxx - IL - ILLINOIS

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Information about Area Code 847

Both area code 847 and area code 224 are part of an overlay plan that covers most of Lake County, the northern part of Cook County, the northern part of Kane County, and a small part of McHenry County in Illinois. On January 5, 2002 area code 224 overlaid the 847 NPA and 10-digit dialing was implemented. Previously, on January 20, 1996 area code 847 split off from area code 708. Area code 708 had previously split off from 312, which had covered the majority of northern Illinois until 1989.

See also

North: 262
West: 815/779 Area code 847 & 224 East: 269
South: 312, 630, 773


Flag of Illinois Illinois Area codes
217 | 224 | 309 | 312 | 618 | 630 | 708 | 773 | 779 | 815 | 847



Exchanges for Area Code 847-xxx-xxxx:

Exchange 847-200
-

Exchange 847-201
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-202
PALATINE - AMERITECH ILLINOIS

Exchange 847-203
Burr Ridge - ARCH WIRELESS HOLDINGS, INC.

Exchange 847-204
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-205
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-206
- AIRTOUCH PAGING - ILLINOIS

Exchange 847-207
- SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-208
Chicago - T-MOBILE USA, INC.

Exchange 847-209
- SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-210
Westchester - METROCALL

Exchange 847-211
-

Exchange 847-212
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-213
Chicago - RCN TELECOM SERVICES OF ILLINOIS, INC. - IL

Exchange 847-214
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-215
WHEELING - AMERITECH ILLINOIS

Exchange 847-216
Burr Ridge - ARCH WIRELESS HOLDINGS, INC.

Exchange 847-217
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-218
Burr Ridge - ARCH WIRELESS HOLDINGS, INC.

Exchange 847-219
- T-MOBILE USA, INC.

Exchange 847-220
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-221
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-222
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-223
GRAYSLAKE - AMERITECH ILLINOIS

Exchange 847-224
Schaumburg - AT&T WIRELESS SERVICES, INC.

Exchange 847-225
Burr Ridge - ARCH WIRELESS HOLDINGS, INC.

Exchange 847-226
- AT&T WIRELESS SERVICES, INC.

Exchange 847-227
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-228
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-229
WHEELING - AMERITECH ILLINOIS

Exchange 847-230
Oak Brook - AT&T LOCAL

Exchange 847-231
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-232
Chicago - AT&T LOCAL

Exchange 847-233
SCHILLER PARK - AMERITECH ILLINOIS

Exchange 847-234
LAKE FOREST - AMERITECH ILLINOIS

Exchange 847-235
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-236
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-237
Burr Ridge - ARCH WIRELESS HOLDINGS, INC.

Exchange 847-238
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-239
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-240
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-241
ODDBALL CODES - OVATION COMMUNICATIONS OF ILLINOIS, INC.

Exchange 847-242
WINNETKA - AMERITECH ILLINOIS

Exchange 847-243
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-244
WAUKEGAN - AMERITECH ILLINOIS

Exchange 847-245
Rolling Meadows - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-246
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-247
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-248
HOFFMAN EST - AMERITECH ILLINOIS

Exchange 847-249
WAUKEGAN - AMERITECH ILLINOIS

Exchange 847-250
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-251
WILMETTE - AMERITECH ILLINOIS

Exchange 847-252
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-253
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-254
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-255
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-256
WILMETTE - AMERITECH ILLINOIS

Exchange 847-257
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-258
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-259
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-260
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-261
Oak Brook - AT&T LOCAL

Exchange 847-262
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-263
WAUKEGAN - AMERITECH ILLINOIS

Exchange 847-264
Oak Brook - AT&T LOCAL

Exchange 847-265
LAKE VILLA - AMERITECH ILLINOIS

Exchange 847-266
HIGHLAND PARK - AMERITECH ILLINOIS

Exchange 847-267
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-268
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-269
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-270
ROUND LAKE - AMERITECH ILLINOIS

Exchange 847-271
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-272
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-273
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-274
- AT&T WIRELESS SERVICES, INC.

Exchange 847-275
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-276
Vernon Hills - TDS METROCOM INC.-IL

Exchange 847-277
BARRINGTON - AMERITECH ILLINOIS

Exchange 847-278
Wood Dale - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-279
WHEELING - AMERITECH ILLINOIS

Exchange 847-280
BURR RIDGE - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-281
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-282
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-283
LAKE FOREST - AMERITECH ILLINOIS

Exchange 847-284
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-285
Oak Brook - AT&T LOCAL

Exchange 847-286
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-287
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-288
RIVER GROVE - AMERITECH ILLINOIS

Exchange 847-289
ELGIN - AMERITECH ILLINOIS

Exchange 847-290
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-291
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-292
PARK RIDGE - AMERITECH ILLINOIS

Exchange 847-293
Lombard - UNITED STATES CELLULAR CORP.

Exchange 847-294
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-295
LAKE FOREST - AMERITECH ILLINOIS

Exchange 847-296
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-297
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-298
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-299
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-300
-

Exchange 847-301
ROSELLE - AMERITECH ILLINOIS

Exchange 847-302
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-303
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-304
BARRINGTON - AMERITECH ILLINOIS

Exchange 847-305
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-306
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-307
Wood Dale - XO ILLINOIS, INC.

Exchange 847-308
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-309
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-310
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-311
-

Exchange 847-312
Chicago - T-MOBILE USA, INC.

Exchange 847-313
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-314
Burr Ridge - ARCH WIRELESS HOLDINGS, INC.

Exchange 847-315
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-316
EVANSTON - AMERITECH ILLINOIS

Exchange 847-317
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-318
PARK RIDGE - AMERITECH ILLINOIS

Exchange 847-319
BURR RIDGE - AMERITECH MOBILE SERVICES, INC.

Exchange 847-320
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-321
Chicago - AT&T LOCAL

Exchange 847-322
Lombard - UNITED STATES CELLULAR CORP.

Exchange 847-323
- AT&T WIRELESS SERVICES, INC.

Exchange 847-324
Wood Dale - XO ILLINOIS, INC.

Exchange 847-325
Wood Dale - XO ILLINOIS, INC.

Exchange 847-326
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-327
Chicago - GLOBAL CROSSING LOCAL SERVICES, INC.-IL

Exchange 847-328
EVANSTON - AMERITECH ILLINOIS

Exchange 847-329
SKOKIE - AMERITECH ILLINOIS

Exchange 847-330
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-331
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-332
EVANSTON - AMERITECH ILLINOIS

Exchange 847-333
Burr Ridge - ARCH WIRELESS HOLDINGS, INC.

Exchange 847-334
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-335
Burr Ridge - ARCH WIRELESS HOLDINGS, INC.

Exchange 847-336
WAUKEGAN - AMERITECH ILLINOIS

Exchange 847-337
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-338
Lombard - UNITED STATES CELLULAR CORP.

Exchange 847-339
Burr Ridge - ARCH WIRELESS HOLDINGS, INC.

Exchange 847-340
Schaumburg - AT&T WIRELESS SERVICES, INC.

Exchange 847-341
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-342
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-343
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-344
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-345
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-346
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-347
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-348
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-349
Wood Dale - XO ILLINOIS, INC.

Exchange 847-350
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-351
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-352
ROSELLE - AMERITECH ILLINOIS

Exchange 847-353
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-354
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-355
- HEARTLAND COMMUNICATIONS, INC.

Exchange 847-356
LAKE VILLA - AMERITECH ILLINOIS

Exchange 847-357
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-358
PALATINE - AMERITECH ILLINOIS

Exchange 847-359
PALATINE - AMERITECH ILLINOIS

Exchange 847-360
WAUKEGAN - AMERITECH ILLINOIS

Exchange 847-361
Lombard - UNITED STATES CELLULAR CORP.

Exchange 847-362
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-363
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-364
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-365
Westchester - METROCALL

Exchange 847-366
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-367
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-368
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-369
- HEARTLAND COMMUNICATIONS, INC.

Exchange 847-370
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-371
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-372
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-373
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-374
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-375
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-376
Bensenville - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-377
Chicago - AT&T LOCAL

Exchange 847-378
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-379
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-380
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-381
BARRINGTON - AMERITECH ILLINOIS

Exchange 847-382
BARRINGTON - AMERITECH ILLINOIS

Exchange 847-383
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-384
PARK RIDGE - AMERITECH ILLINOIS

Exchange 847-385
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-386
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-387
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-388
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-389
- AIRTOUCH PAGING - ILLINOIS

Exchange 847-390
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-391
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-392
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-393
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-394
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-395
ANTIOCH - AMERITECH ILLINOIS

Exchange 847-396
- SOURCE ONE WIRELESS

Exchange 847-397
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-398
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-399
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-400
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-401
Lombard - UNITED STATES CELLULAR CORP.

Exchange 847-402
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-403
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-404
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-405
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-406
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-407
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-408
- SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-409
Lombard - UNITED STATES CELLULAR CORP.

Exchange 847-410
Bensenville - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-411
-

Exchange 847-412
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-413
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-414
Chicago - T-MOBILE USA, INC.

Exchange 847-415
Chicago - OVATION COMMUNICATIONS OF ILLINOIS, INC.

Exchange 847-416
Chicago - LEVEL 3 COMMUNICATIONS, LLC - IL

Exchange 847-417
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-418
Chicago - AT&T LOCAL

Exchange 847-419
WHEELING - AMERITECH ILLINOIS

Exchange 847-420
- AT&T WIRELESS SERVICES, INC.

Exchange 847-421
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-422
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-423
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-424
EVANSTON - AMERITECH ILLINOIS

Exchange 847-425
EVANSTON - AMERITECH ILLINOIS

Exchange 847-426
EAST DUNDEE - AMERITECH ILLINOIS

Exchange 847-427
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-428
EAST DUNDEE - AMERITECH ILLINOIS

Exchange 847-429
ELGIN - AMERITECH ILLINOIS

Exchange 847-430
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-431
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-432
HIGHLAND PARK - AMERITECH ILLINOIS

Exchange 847-433
HIGHLAND PARK - AMERITECH ILLINOIS

Exchange 847-434
Chicago - OVATION COMMUNICATIONS OF ILLINOIS, INC.

Exchange 847-435
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-436
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-437
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-438
LAKE ZURICH - AMERITECH ILLINOIS

Exchange 847-439
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-440
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-441
WINNETKA - AMERITECH ILLINOIS

Exchange 847-442
WHEELING - AMERITECH ILLINOIS

Exchange 847-443
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-444
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-445
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-446
WINNETKA - AMERITECH ILLINOIS

Exchange 847-447
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-448
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-449
- HEARTLAND COMMUNICATIONS, INC.

Exchange 847-450
- SOURCE ONE WIRELESS

Exchange 847-451
RIVER GROVE - AMERITECH ILLINOIS

Exchange 847-452
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-453
Chicago - RCN TELECOM SERVICES OF ILLINOIS, INC. - IL

Exchange 847-454
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-455
RIVER GROVE - AMERITECH ILLINOIS

Exchange 847-456
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-457
Chicago - AT&T LOCAL

Exchange 847-458
ALGONQUIN - AMERITECH ILLINOIS

Exchange 847-459
WHEELING - AMERITECH ILLINOIS

Exchange 847-460
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-461
Wood Dale - XO ILLINOIS, INC.

Exchange 847-462
CARY - AMERITECH ILLINOIS

Exchange 847-463
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-464
PLATO CENTER - AMERITECH ILLINOIS

Exchange 847-465
WHEELING - AMERITECH ILLINOIS

Exchange 847-466
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-467
EVANSTON - AMERITECH ILLINOIS

Exchange 847-468
ELGIN - AMERITECH ILLINOIS

Exchange 847-469
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-470
MORTON GROVE - AMERITECH ILLINOIS

Exchange 847-471
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-472
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-473
NORTH CHICAGO - AMERITECH ILLINOIS

Exchange 847-474
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-475
EVANSTON - AMERITECH ILLINOIS

Exchange 847-476
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-477
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-478
WHEELING - AMERITECH ILLINOIS

Exchange 847-479
Westchester - METROCALL

Exchange 847-480
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-481
Wood Dale - XO ILLINOIS, INC.

Exchange 847-482
LAKE FOREST - AMERITECH ILLINOIS

Exchange 847-483
Chicago - GLOBALCOM, INC.-IL

Exchange 847-484
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-485
PALATINE - AMERITECH ILLINOIS

Exchange 847-486
GLENVIEW - AMERITECH ILLINOIS

Exchange 847-487
WAUCONDA - AMERITECH ILLINOIS

Exchange 847-488
ELGIN - AMERITECH ILLINOIS

Exchange 847-489
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-490
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-491
EVANSTON - AMERITECH ILLINOIS

Exchange 847-492
EVANSTON - AMERITECH ILLINOIS

Exchange 847-493
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-494
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-495
Chicago - AT&T LOCAL

Exchange 847-496
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-497
FOX LAKE - AMERITECH ILLINOIS

Exchange 847-498
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-499
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-500
-

Exchange 847-501
WINNETKA - AMERITECH ILLINOIS

Exchange 847-502
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-503
Burr Ridge - ARCH WIRELESS HOLDINGS, INC.

Exchange 847-504
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-505
- HEARTLAND COMMUNICATIONS, INC.

Exchange 847-506
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-507
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-508
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-509
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-510
Wood Dale - XO ILLINOIS, INC.

Exchange 847-511
-

Exchange 847-512
Wood Dale - XO ILLINOIS, INC.

Exchange 847-513
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-514
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-515
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-516
CARY - AMERITECH ILLINOIS

Exchange 847-517
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-518
PARK RIDGE - AMERITECH ILLINOIS

Exchange 847-519
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-520
WHEELING - AMERITECH ILLINOIS

Exchange 847-521
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-522
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-523
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-524
ROSELLE - AMERITECH ILLINOIS

Exchange 847-525
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-526
WAUCONDA - AMERITECH ILLINOIS

Exchange 847-527
Westchester - METROCALL

Exchange 847-528
- SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-529
Lombard - UNITED STATES CELLULAR CORP.

Exchange 847-530
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-531
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-532
- HEARTLAND COMMUNICATIONS, INC.

Exchange 847-533
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-534
ROSELLE - AMERITECH ILLINOIS

Exchange 847-535
LAKE FOREST - AMERITECH ILLINOIS

Exchange 847-536
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-537
WHEELING - AMERITECH ILLINOIS

Exchange 847-538
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-539
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-540
LAKE ZURICH - AMERITECH ILLINOIS

Exchange 847-541
WHEELING - AMERITECH ILLINOIS

Exchange 847-542
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-543
GRAYSLAKE - AMERITECH ILLINOIS

Exchange 847-544
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-545
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-546
ROUND LAKE - AMERITECH ILLINOIS

Exchange 847-547
- AIRTOUCH PAGING - ILLINOIS

Exchange 847-548
GRAYSLAKE - AMERITECH ILLINOIS

Exchange 847-549
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-550
LAKE ZURICH - AMERITECH ILLINOIS

Exchange 847-551
EAST DUNDEE - AMERITECH ILLINOIS

Exchange 847-552
- HEARTLAND COMMUNICATIONS, INC.

Exchange 847-553
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-554
WHEELING - AMERITECH ILLINOIS

Exchange 847-555
Hoffman Estates - AMERITECH ILLINOIS

Exchange 847-556
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-557
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-558
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-559
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-560
BURR RIDGE - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-561
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-562
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-563
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-564
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-565
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-566
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-567
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-568
SKOKIE - AMERITECH ILLINOIS

Exchange 847-569
BURR RIDGE - AMERITECH MOBILE SERVICES, INC.

Exchange 847-570
EVANSTON - AMERITECH ILLINOIS

Exchange 847-571
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-572
Wood Dale - XO ILLINOIS, INC.

Exchange 847-573
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-574
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-575
LINCOLNSHIRE - AMERITECH ILLINOIS

Exchange 847-576
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-577
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-578
NORTH CHICAGO - AMERITECH ILLINOIS

Exchange 847-579
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-580
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-581
MORTON GROVE - AMERITECH ILLINOIS

Exchange 847-582
LAKE FOREST - AMERITECH ILLINOIS

Exchange 847-583
MORTON GROVE - AMERITECH ILLINOIS

Exchange 847-584
ROSELLE - AMERITECH ILLINOIS

Exchange 847-585
Wood Dale - XO ILLINOIS, INC.

Exchange 847-586
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-587
FOX LAKE - AMERITECH ILLINOIS

Exchange 847-588
CHICAGO - AMERITECH ILLINOIS

Exchange 847-589
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-590
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-591
Chicago - AMERITECH ILLINOIS

Exchange 847-592
- FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-593
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-594
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-595
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-596
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-597
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-598
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-599
WAUKEGAN - AMERITECH ILLINOIS

Exchange 847-600
CHICAGO - AMERITECH ILLINOIS

Exchange 847-601
- SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-602
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-603
Chicago - COMCAST PHONE OF ILLINOIS, LLC - IL

Exchange 847-604
LAKE FOREST - AMERITECH ILLINOIS

Exchange 847-605
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-606
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-607
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-608
ELGIN - AMERITECH ILLINOIS

Exchange 847-609
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-610
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-611
-

Exchange 847-612
- AT&T WIRELESS SERVICES, INC.

Exchange 847-613
Chicago - LEVEL 3 COMMUNICATIONS, LLC - IL

Exchange 847-614
- HEARTLAND COMMUNICATIONS, INC.

Exchange 847-615
LAKE FOREST - AMERITECH ILLINOIS

Exchange 847-616
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-617
WHEELING - AMERITECH ILLINOIS

Exchange 847-618
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-619
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-620
Wood Dale - XO ILLINOIS, INC.

Exchange 847-621
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-622
ELGIN - AMERITECH ILLINOIS

Exchange 847-623
WAUKEGAN - AMERITECH ILLINOIS

Exchange 847-624
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-625
WAUKEGAN - AMERITECH ILLINOIS

Exchange 847-626
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-627
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-628
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-629
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-630
Chicago - T-MOBILE USA, INC.

Exchange 847-631
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-632
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-633
- HEARTLAND COMMUNICATIONS, INC.

Exchange 847-634
WHEELING - AMERITECH ILLINOIS

Exchange 847-635
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-636
Chicago - OVATION COMMUNICATIONS OF ILLINOIS, INC.

Exchange 847-637
Oak Brook - AT&T LOCAL

Exchange 847-638
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-639
CARY - AMERITECH ILLINOIS

Exchange 847-640
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-641
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-642
- SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-643
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-644
Schaumburg - AT&T WIRELESS SERVICES, INC.

Exchange 847-645
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-646
GLENVIEW - AMERITECH ILLINOIS

Exchange 847-647
CHICAGO - AMERITECH ILLINOIS

Exchange 847-648
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-649
Wood Dale - XO ILLINOIS, INC.

Exchange 847-650
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-651
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-652
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-653
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-654
Wood Dale - XO ILLINOIS, INC.

Exchange 847-655
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-656
Wood Dale - XO ILLINOIS, INC.

Exchange 847-657
GLENVIEW - AMERITECH ILLINOIS

Exchange 847-658
ALGONQUIN - AMERITECH ILLINOIS

Exchange 847-659
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-660
Oak Brook - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-661
BURR RIDGE - AMERITECH MOBILE SERVICES, INC.

Exchange 847-662
WAUKEGAN - AMERITECH ILLINOIS

Exchange 847-663
MORTON GROVE - AMERITECH ILLINOIS

Exchange 847-664
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-665
GRAYSLAKE - AMERITECH ILLINOIS

Exchange 847-666
Chicago - CIMCO COMMUNICATIONS, INC. - IL

Exchange 847-667
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-668
- T-MOBILE USA, INC.

Exchange 847-669
HUNTLEY - AMERITECH ILLINOIS

Exchange 847-670
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-671
SCHILLER PARK - AMERITECH ILLINOIS

Exchange 847-672
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-673
SKOKIE - AMERITECH ILLINOIS

Exchange 847-674
SKOKIE - AMERITECH ILLINOIS

Exchange 847-675
SKOKIE - AMERITECH ILLINOIS

Exchange 847-676
SKOKIE - AMERITECH ILLINOIS

Exchange 847-677
SKOKIE - AMERITECH ILLINOIS

Exchange 847-678
SCHILLER PARK - AMERITECH ILLINOIS

Exchange 847-679
SKOKIE - AMERITECH ILLINOIS

Exchange 847-680
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-681
HIGHLAND PARK - AMERITECH ILLINOIS

Exchange 847-682
- AT&T WIRELESS SERVICES, INC.

Exchange 847-683
HAMPSHIRE - AMERITECH ILLINOIS

Exchange 847-684
Westchester - METROCALL

Exchange 847-685
PARK RIDGE - AMERITECH ILLINOIS

Exchange 847-686
Northbrook - GLOBAL CROSSING LOCAL SERVICES, INC.-IL

Exchange 847-687
Schaumburg - AT&T WIRELESS SERVICES, INC.

Exchange 847-688
NORTH CHICAGO - AMERITECH ILLINOIS

Exchange 847-689
NORTH CHICAGO - AMERITECH ILLINOIS

Exchange 847-690
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-691
- AT&T WIRELESS SERVICES, INC.

Exchange 847-692
PARK RIDGE - AMERITECH ILLINOIS

Exchange 847-693
Chicago - LEVEL 3 COMMUNICATIONS, LLC - IL

Exchange 847-694
Burr Ridge - ARCH WIRELESS HOLDINGS, INC.

Exchange 847-695
ELGIN - AMERITECH ILLINOIS

Exchange 847-696
PARK RIDGE - AMERITECH ILLINOIS

Exchange 847-697
ELGIN - AMERITECH ILLINOIS

Exchange 847-698
PARK RIDGE - AMERITECH ILLINOIS

Exchange 847-699
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-700
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-701
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-702
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-703
BURR RIDGE - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-704
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-705
PALATINE - AMERITECH ILLINOIS

Exchange 847-706
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-707
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-708
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-709
Wood Dale - XO ILLINOIS, INC.

Exchange 847-710
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-711
-

Exchange 847-712
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-713
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-714
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-715
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-716
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-717
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-718
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-719
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-720
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-721
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-722
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-723
PARK RIDGE - AMERITECH ILLINOIS

Exchange 847-724
GLENVIEW - AMERITECH ILLINOIS

Exchange 847-725
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-726
LAKE ZURICH - AMERITECH ILLINOIS

Exchange 847-727
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-728
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-729
GLENVIEW - AMERITECH ILLINOIS

Exchange 847-730
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-731
ZION - AMERITECH ILLINOIS

Exchange 847-732
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-733
EVANSTON - AMERITECH ILLINOIS

Exchange 847-734
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-735
LAKE FOREST - AMERITECH ILLINOIS

Exchange 847-736
Schaumburg - AT&T WIRELESS SERVICES, INC.

Exchange 847-737
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-738
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-739
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-740
ROUND LAKE - AMERITECH ILLINOIS

Exchange 847-741
ELGIN - AMERITECH ILLINOIS

Exchange 847-742
ELGIN - AMERITECH ILLINOIS

Exchange 847-743
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-744
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-745
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-746
ZION - AMERITECH ILLINOIS

Exchange 847-747
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-748
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-749
Rolling Meadows - COMCAST PHONE OF ILLINOIS, LLC - IL

Exchange 847-750
Wood Dale - XO ILLINOIS, INC.

Exchange 847-751
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-752
GRAYSLAKE - AMERITECH ILLINOIS

Exchange 847-753
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-754
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-755
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-756
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-757
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-758
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-759
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-760
Wood Dale - XO ILLINOIS, INC.

Exchange 847-761
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-762
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-763
SKOKIE - AMERITECH ILLINOIS

Exchange 847-764
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-765
HOFFMAN EST - AMERITECH ILLINOIS

Exchange 847-766
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-767
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-768
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-769
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-770
- AT&T WIRELESS SERVICES, INC.

Exchange 847-771
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-772
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-773
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-774
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-775
NORTH CHICAGO - AMERITECH ILLINOIS

Exchange 847-776
PALATINE - AMERITECH ILLINOIS

Exchange 847-777
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-778
- AT&T WIRELESS SERVICES, INC.

Exchange 847-779
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-780
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-781
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-782
WAUKEGAN - AMERITECH ILLINOIS

Exchange 847-783
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-784
WINNETKA - AMERITECH ILLINOIS

Exchange 847-785
NORTH CHICAGO - AMERITECH ILLINOIS

Exchange 847-786
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-787
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-788
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-789
- ALLEGIANCE TELECOM, INC. - IL

Exchange 847-790
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-791
Lombard - UNITED STATES CELLULAR CORP.

Exchange 847-792
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-793
LINCOLNSHIRE - AMERITECH ILLINOIS

Exchange 847-794
Oak Brook - AT&T LOCAL

Exchange 847-795
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-796
Chicago - AMERITECH ILLINOIS

Exchange 847-797
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-798
BARTLETT - AMERITECH ILLINOIS

Exchange 847-799
- AIRTOUCH PAGING - ILLINOIS

Exchange 847-800
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-801
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-802
- HEARTLAND COMMUNICATIONS, INC.

Exchange 847-803
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-804
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-805
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-806
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-807
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-808
WHEELING - AMERITECH ILLINOIS

Exchange 847-809
Chicago - T-MOBILE USA, INC.

Exchange 847-810
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-811
-

Exchange 847-812
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-813
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-814
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-815
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-816
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-817
BURR RIDGE - AMERITECH MOBILE SERVICES, INC.

Exchange 847-818
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-819
- SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-820
Westchester - METROCALL

Exchange 847-821
WHEELING - AMERITECH ILLINOIS

Exchange 847-822
- SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-823
PARK RIDGE - AMERITECH ILLINOIS

Exchange 847-824
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-825
PARK RIDGE - AMERITECH ILLINOIS

Exchange 847-826
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-827
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-828
- SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-829
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-830
Schaumburg - AT&T WIRELESS SERVICES, INC.

Exchange 847-831
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-832
GLENVIEW - AMERITECH ILLINOIS

Exchange 847-833
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-834
- HEARTLAND COMMUNICATIONS, INC.

Exchange 847-835
WINNETKA - AMERITECH ILLINOIS

Exchange 847-836
EAST DUNDEE - AMERITECH ILLINOIS

Exchange 847-837
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-838
ANTIOCH - AMERITECH ILLINOIS

Exchange 847-839
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-840
- AT&T WIRELESS SERVICES, INC.

Exchange 847-841
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-842
BARRINGTON - AMERITECH ILLINOIS

Exchange 847-843
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-844
EAST DUNDEE - AMERITECH ILLINOIS

Exchange 847-845
Lombard - UNITED STATES CELLULAR CORP.

Exchange 847-846
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-847
Rolling Meadows - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-848
- SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-849
NORTHBROOK - AMERITECH ILLINOIS

Exchange 847-850
Bensenville - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-851
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-852
Chicago - LEVEL 3 COMMUNICATIONS, LLC - IL

Exchange 847-853
WILMETTE - AMERITECH ILLINOIS

Exchange 847-854
ALGONQUIN - AMERITECH ILLINOIS

Exchange 847-855
GURNEE - AMERITECH ILLINOIS

Exchange 847-856
GURNEE - AMERITECH ILLINOIS

Exchange 847-857
- SOURCE ONE WIRELESS

Exchange 847-858
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-859
Chicago - INTERMEDIA COMMUNICATIONS INC. - IL

Exchange 847-860
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-861
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-862
LAKE ZURICH - AMERITECH ILLINOIS

Exchange 847-863
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-864
EVANSTON - AMERITECH ILLINOIS

Exchange 847-865
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-866
EVANSTON - AMERITECH ILLINOIS

Exchange 847-867
- AT&T WIRELESS SERVICES, INC.

Exchange 847-868
- SOURCE ONE WIRELESS

Exchange 847-869
EVANSTON - AMERITECH ILLINOIS

Exchange 847-870
ARLINGTON HEIGHTS - AMERITECH ILLINOIS

Exchange 847-871
Chicago - GLOBAL CROSSING LOCAL SERVICES, INC.-IL

Exchange 847-872
ZION - AMERITECH ILLINOIS

Exchange 847-873
Rolling Meadows - COMCAST PHONE OF ILLINOIS, LLC - IL

Exchange 847-874
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-875
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-876
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-877
Chicago - T-MOBILE USA, INC.

Exchange 847-878
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-879
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-880
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-881
Wood Dale - XO ILLINOIS, INC.

Exchange 847-882
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-883
LINCOLNSHIRE - AMERITECH ILLINOIS

Exchange 847-884
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-885
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-886
Chicago - LEVEL 3 COMMUNICATIONS, LLC - IL

Exchange 847-887
NORTH CHICAGO - AMERITECH ILLINOIS

Exchange 847-888
ELGIN - AMERITECH ILLINOIS

Exchange 847-889
La Grange - BEEPERMART, INC.

Exchange 847-890
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-891
ROSELLE - AMERITECH ILLINOIS

Exchange 847-892
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-893
Rolling Meadows - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-894
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-895
ROSELLE - AMERITECH ILLINOIS

Exchange 847-896
La Grange - BEEPERMART, INC.

Exchange 847-897
Chicago - GLOBAL CROSSING LOCAL SERVICES, INC.-IL

Exchange 847-898
HOFFMAN EST - AMERITECH ILLINOIS

Exchange 847-899
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-900
-

Exchange 847-901
Wheeling - MPOWER COMMUNICATIONS CORP - IL

Exchange 847-902
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-903
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-904
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-905
Chicago - OVATION COMMUNICATIONS OF ILLINOIS, INC.

Exchange 847-906
Bensenville - MCIMETRO, ATS, INC.

Exchange 847-907
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-908
- ALLEGIANCE TELECOM, INC. - IL

Exchange 847-909
Schaumburg - AT&T WIRELESS SERVICES, INC.

Exchange 847-910
- AT&T WIRELESS SERVICES, INC.

Exchange 847-911
-

Exchange 847-912
- T-MOBILE USA, INC.

Exchange 847-913
WHEELING - AMERITECH ILLINOIS

Exchange 847-914
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-915
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-916
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-917
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-918
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-919
Chicago - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-920
WILMETTE - AMERITECH ILLINOIS

Exchange 847-921
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-922
- AT&T WIRELESS SERVICES, INC.

Exchange 847-923
ROSELLE - AMERITECH ILLINOIS

Exchange 847-924
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-925
HOFFMAN ESTATES - AMERITECH ILLINOIS

Exchange 847-926
HIGHLAND PARK - AMERITECH ILLINOIS

Exchange 847-927
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-928
SCHILLER PARK - AMERITECH ILLINOIS

Exchange 847-929
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-930
Chicago - TDS METROCOM INC.-IL

Exchange 847-931
ELGIN - AMERITECH ILLINOIS

Exchange 847-932
Chicago - AT&T LOCAL

Exchange 847-933
SKOKIE - AMERITECH ILLINOIS

Exchange 847-934
PALATINE - AMERITECH ILLINOIS

Exchange 847-935
NORTH CHICAGO - AMERITECH ILLINOIS

Exchange 847-936
NORTH CHICAGO - AMERITECH ILLINOIS

Exchange 847-937
NORTH CHICAGO - AMERITECH ILLINOIS

Exchange 847-938
NORTH CHICAGO - AMERITECH ILLINOIS

Exchange 847-939
Chicago - GLOBALCOM, INC.-IL

Exchange 847-940
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-941
Chicago - OVATION COMMUNICATIONS OF ILLINOIS, INC.

Exchange 847-942
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-943
Chicago - AT&T LOCAL

Exchange 847-944
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-945
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-946
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-947
Rolling Meadows - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-948
DEERFIELD - AMERITECH ILLINOIS

Exchange 847-949
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-950
-

Exchange 847-951
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-952
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-953
DES PLAINES - AMERITECH ILLINOIS

Exchange 847-954
Wood Dale - XO ILLINOIS, INC.

Exchange 847-955
WHEELING - AMERITECH ILLINOIS

Exchange 847-956
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-957
BENSENVILLE - AMERITECH ILLINOIS

Exchange 847-958
-

Exchange 847-959
-

Exchange 847-960
Chicago - RCN TELECOM SERVICES OF ILLINOIS, INC. - IL

Exchange 847-961
HUNTLEY - AMERITECH ILLINOIS

Exchange 847-962
Chicago - T-MOBILE USA, INC.

Exchange 847-963
PALATINE - AMERITECH ILLINOIS

Exchange 847-964
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-965
MORTON GROVE - AMERITECH ILLINOIS

Exchange 847-966
MORTON GROVE - AMERITECH ILLINOIS

Exchange 847-967
MORTON GROVE - AMERITECH ILLINOIS

Exchange 847-968
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-969
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-970
LIBERTYVILLE - AMERITECH ILLINOIS

Exchange 847-971
Arlington Heights - SPRINT SPECTRUM L.P.

Exchange 847-972
Chicago - AT&T LOCAL

Exchange 847-973
FOX LAKE - AMERITECH ILLINOIS

Exchange 847-974
Burr Ridge - ARCH WIRELESS HOLDINGS, INC.

Exchange 847-975
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-976
-

Exchange 847-977
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-978
Rolling Meadows - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-979
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-980
Buffalo Grove - NEXTEL COMMUNICATIONS

Exchange 847-981
ELK GROVE VILLAGE - AMERITECH ILLINOIS

Exchange 847-982
SKOKIE - AMERITECH ILLINOIS

Exchange 847-983
Chicago - TELEPORT COMMUNICATIONS GROUP - CHICAGO

Exchange 847-984
Arlington Heights - FOCAL COMMUNICATIONS CORP OF ILLINOIS

Exchange 847-985
ROSELLE - AMERITECH ILLINOIS

Exchange 847-986
Vernon Hills - TDS METROCOM INC.-IL

Exchange 847-987
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-988
Hickory Hills - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-989
Northbrook - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL

Exchange 847-990
Elk Grove Village - MCI WORLDCOM COMMUNICATIONS, INC. - IL

Exchange 847-991
PALATINE - AMERITECH ILLINOIS

Exchange 847-992
BURR RIDGE - AMERITECH MOBILE SERVICES, INC.

Exchange 847-993
Wood Dale - XO ILLINOIS, INC.

Exchange 847-994
Chicago - GLOBAL CROSSING LOCAL SERVICES, INC.-IL

Exchange 847-995
SCHAUMBURG - AMERITECH ILLINOIS

Exchange 847-996
Vernon Hills - TDS METROCOM INC.-IL

Exchange 847-997
Schaumburg - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - IL

Exchange 847-998
GLENVIEW - AMERITECH ILLINOIS

Exchange 847-999
Chicago - LEVEL 3 COMMUNICATIONS, LLC - IL