Local Calling Guide
Area code/prefix search
Chicago Zone 06-Lawndale, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 773-257
| A |
CHCGILLDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2022-11-06 |
|
| 773-257
| 1 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 3 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2008-12-12 |
|
| 773-257
| 4 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 5 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 6 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 7 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2008-07-18 |
|
| 773-257
| 8 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2010-04-04 |
|
| 773-277
| A |
CHCGILLDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-277
| 0 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-277
| 1 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-277
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-277
| 3 |
|
224C ONVOY, LLC |
358 |
|
2023-07-08 |
|
| 773-277
| 4 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-277
| 5 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-277
| 6 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-277
| 7 |
|
145J TERRA NOVA TELECOM INC. |
358 |
|
2021-01-15 |
|
| 773-277
| 8 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-277
| 9 |
|
224C ONVOY, LLC |
358 |
|
2026-01-11 |
|
| 773-521
| A |
CHCGILLDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-521
| 0 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-521
| 1 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-521
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-521
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2021-10-11 |
|
| 773-521
| 4 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-521
| 5 |
|
224C ONVOY, LLC |
358 |
|
2023-07-08 |
|
| 773-521
| 6 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-521
| 7 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-521
| 8 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-521
| 9 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-522
| A |
CHCGILLDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-542
| A |
CHCGILLDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-542
| 0 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-542
| 1 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-542
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-542
| 3 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2008-12-12 |
|
| 773-542
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2021-10-11 |
|
| 773-542
| 5 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-542
| 6 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-542
| 7 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-542
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2021-11-04 |
|
| 773-542
| 9 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-762
| A |
CHCGILLDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-762
| 0 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-762
| 1 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-762
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-762
| 3 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-762
| 4 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-762
| 5 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-762
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2021-10-11 |
|
| 773-762
| 7 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-762
| 8 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-762
| 9 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-10-09 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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