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 |
| 773-256
| 4 |
Chicago Zone 07-Hyde Park |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-256
| 5 |
Chicago Zone 07-Hyde Park |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-256
| 6 |
Chicago Zone 07-Hyde Park |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-256
| 7 |
Chicago Zone 07-Hyde Park |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2006-03-05 |
|
| 773-256
| 8 |
Chicago Zone 07-Hyde Park |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2006-03-05 |
|
| 773-256
| 9 |
Chicago Zone 07-Hyde Park |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-05-21 |
|
| 773-257
| A |
Chicago Zone 06-Lawndale |
IL |
CHCGILLDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 0 |
Chicago Zone 06-Lawndale |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2022-11-06 |
|
| 773-257
| 1 |
Chicago Zone 06-Lawndale |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 2 |
Chicago Zone 06-Lawndale |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 3 |
Chicago Zone 06-Lawndale |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2008-12-12 |
|
| 773-257
| 4 |
Chicago Zone 06-Lawndale |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 5 |
Chicago Zone 06-Lawndale |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 6 |
Chicago Zone 06-Lawndale |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 7 |
Chicago Zone 06-Lawndale |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2008-07-18 |
|
| 773-257
| 8 |
Chicago Zone 06-Lawndale |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-257
| 9 |
Chicago Zone 06-Lawndale |
IL |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2010-04-04 |
|
| 773-258
| A |
Chicago Zone 01-Calumet |
IL |
LBRDILGOAMD |
6630 USA MOBILITY WIRELESS, INC. |
358 |
|
|
|
| 773-259
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 773-260
| A |
Chicago Zone 10-Pullman |
IL |
CHCGILPUDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-260
| 0 |
Chicago Zone 10-Pullman |
IL |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2005-11-04 |
|
| 773-260
| 1 |
Chicago Zone 10-Pullman |
IL |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2005-11-04 |
|
| 773-260
| 2 |
Chicago Zone 10-Pullman |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2005-07-20 |
|
| 773-260
| 3 |
Chicago Zone 10-Pullman |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-260
| 4 |
Chicago Zone 10-Pullman |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-260
| 5 |
Chicago Zone 10-Pullman |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-260
| 6 |
Chicago Zone 10-Pullman |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-260
| 7 |
Chicago Zone 10-Pullman |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-260
| 8 |
Chicago Zone 10-Pullman |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-260
| 9 |
Chicago Zone 10-Pullman |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-261
| A |
Chicago Zone 05-Austin |
IL |
CHCGILAURP0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-261
| 0 |
Chicago Zone 05-Austin |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-261
| 1 |
Chicago Zone 05-Austin |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-261
| 2 |
Chicago Zone 05-Austin |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-261
| 3 |
Chicago Zone 05-Austin |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-261
| 4 |
Chicago Zone 05-Austin |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-261
| 5 |
Chicago Zone 05-Austin |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-261
| 6 |
Chicago Zone 05-Austin |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-261
| 7 |
Chicago Zone 05-Austin |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-261
| 8 |
Chicago Zone 05-Austin |
IL |
|
224C ONVOY, LLC |
358 |
|
2021-12-24 |
|
| 773-261
| 9 |
Chicago Zone 05-Austin |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-12-27 |
|
| 773-262
| A |
Chicago Zone 02-Rogers Park |
IL |
CHCGILRPDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-263
| A |
Chicago Zone 03-Kildare |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-263
| 0 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-263
| 1 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-263
| 2 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-263
| 3 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-263
| 4 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-263
| 5 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-263
| 6 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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