Local Calling Guide
Area code/prefix search
NPA: 773
[Rate centres in NPA 773]
[Dial plan for NPA 773]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 773-441
| 1 |
Chicago Zone 03-Kildare |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-441
| 2 |
Chicago Zone 03-Kildare |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-441
| 3 |
Chicago Zone 03-Kildare |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-441
| 4 |
Chicago Zone 03-Kildare |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-441
| 5 |
Chicago Zone 03-Kildare |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-441
| 6 |
Chicago Zone 03-Kildare |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-441
| 7 |
Chicago Zone 03-Kildare |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-441
| 8 |
Chicago Zone 03-Kildare |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-441
| 9 |
Chicago Zone 03-Kildare |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-442
| A |
Chicago Zone 02-Irving |
IL |
EGVGILIFDS0 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
|
|
| 773-442
| 0 |
Chicago Zone 02-Irving |
IL |
EGVGILIFDS0 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
|
|
| 773-442
| 1 |
Chicago Zone 02-Irving |
IL |
EGVGILIFDS0 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
|
|
| 773-442
| 2 |
Chicago Zone 02-Irving |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2008-12-12 |
|
| 773-442
| 3 |
Chicago Zone 02-Irving |
IL |
EGVGILIFDS0 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
|
|
| 773-442
| 4 |
Chicago Zone 02-Irving |
IL |
CHCGILIRDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-06-13 |
|
| 773-442
| 5 |
Chicago Zone 02-Irving |
IL |
CHCGILIRDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-06-13 |
|
| 773-442
| 6 |
Chicago Zone 02-Irving |
IL |
CHCGILIRDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-06-13 |
|
| 773-442
| 7 |
Chicago Zone 02-Irving |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2025-05-07 |
|
| 773-442
| 8 |
Chicago Zone 02-Irving |
IL |
CHCGILIRDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2001-04-24 |
|
| 773-442
| 9 |
Chicago Zone 02-Irving |
IL |
EGVGILIFDS0 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
|
|
| 773-443
| A |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2024-01-30 |
|
| 773-444
| A |
Chicago Zone 03-Newcastle |
IL |
PRRGILXLDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-444
| 0 |
Chicago Zone 03-Newcastle |
IL |
PRRGILXLDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-444
| 1 |
Chicago Zone 03-Newcastle |
IL |
PRRGILXLDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-444
| 2 |
Chicago Zone 03-Newcastle |
IL |
PRRGILXLDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-444
| 3 |
Chicago Zone 03-Newcastle |
IL |
PRRGILXLDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-444
| 4 |
Chicago Zone 03-Newcastle |
IL |
PRRGILXLDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-444
| 5 |
Chicago Zone 03-Newcastle |
IL |
PRRGILXLDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-444
| 6 |
Chicago Zone 03-Newcastle |
IL |
PRRGILXLDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-444
| 7 |
Chicago Zone 03-Newcastle |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2005-07-07 |
|
| 773-444
| 8 |
Chicago Zone 03-Newcastle |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2005-07-05 |
|
| 773-444
| 9 |
Chicago Zone 03-Newcastle |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2005-07-05 |
|
| 773-445
| A |
Chicago Zone 10-Beverly |
IL |
CHCGILBEDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-446
| A |
Chicago Zone 06-Kedzie |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-446
| 0 |
Chicago Zone 06-Kedzie |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-01-07 |
|
| 773-446
| 1 |
Chicago Zone 06-Kedzie |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-446
| 2 |
Chicago Zone 06-Kedzie |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-08 |
|
| 773-446
| 3 |
Chicago Zone 06-Kedzie |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-446
| 4 |
Chicago Zone 06-Kedzie |
IL |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 773-446
| 5 |
Chicago Zone 06-Kedzie |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-446
| 6 |
Chicago Zone 06-Kedzie |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-446
| 7 |
Chicago Zone 06-Kedzie |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-446
| 8 |
Chicago Zone 06-Kedzie |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-446
| 9 |
Chicago Zone 06-Kedzie |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-01-07 |
|
| 773-447
| A |
Chicago Zone 01-Calumet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-448
| A |
Chicago Zone 07-Stewart |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2025-12-06 |
|
| 773-448
| 0 |
Chicago Zone 07-Stewart |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2025-12-06 |
|
| 773-448
| 1 |
Chicago Zone 07-Stewart |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2026-01-09 |
|
| 773-448
| 2 |
Chicago Zone 07-Stewart |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2026-01-09 |
|
| 773-448
| 3 |
Chicago Zone 07-Stewart |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2026-01-09 |
|
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Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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