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 |
| 773-930
| 9 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-02-22 |
|
| 773-931
| A |
Chicago Zone 10-Beverly |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-932
| A |
Chicago Zone 03-Kildare |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-932
| 0 |
Chicago Zone 03-Kildare |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 773-932
| 1 |
Chicago Zone 03-Kildare |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-932
| 2 |
Chicago Zone 03-Kildare |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2024-12-31 |
|
| 773-932
| 3 |
Chicago Zone 03-Kildare |
IL |
|
5562 METROPCS, INC. |
358 |
|
2004-03-19 |
|
| 773-932
| 4 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2004-03-19 |
|
| 773-932
| 5 |
Chicago Zone 03-Kildare |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-932
| 6 |
Chicago Zone 03-Kildare |
IL |
|
224C ONVOY, LLC |
358 |
|
|
|
| 773-932
| 7 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2004-03-19 |
|
| 773-932
| 8 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2004-03-19 |
|
| 773-932
| 9 |
Chicago Zone 03-Kildare |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-933
| A |
Chicago Zone 09-South Chicago |
IL |
CHCGILSCDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-934
| A |
Chicago Zone 03-Newcastle |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-935
| A |
Chicago Zone 04-Lakeview |
IL |
CHCGILLWDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-936
| A |
Chicago Zone 07-Stewart |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-937
| A |
Chicago Zone 08-Portsmouth |
IL |
CHCGILACGT0 |
8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL |
358 |
|
|
|
| 773-937
| 0 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-10-01 |
|
| 773-937
| 1 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-10-01 |
|
| 773-937
| 2 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-10-01 |
|
| 773-937
| 3 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-10-01 |
|
| 773-937
| 4 |
Chicago Zone 08-Portsmouth |
IL |
|
8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL |
358 |
|
2007-08-25 |
|
| 773-937
| 5 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-10-10 |
|
| 773-937
| 6 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-10-10 |
|
| 773-937
| 7 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-10-10 |
|
| 773-937
| 8 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-10-10 |
|
| 773-937
| 9 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-10-10 |
|
| 773-938
| A |
Chicago Zone 04-Humboldt |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-938
| 0 |
Chicago Zone 04-Humboldt |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-938
| 1 |
Chicago Zone 04-Humboldt |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-938
| 2 |
Chicago Zone 04-Humboldt |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-09-24 |
|
| 773-938
| 3 |
Chicago Zone 04-Humboldt |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-07-15 |
|
| 773-938
| 4 |
Chicago Zone 04-Humboldt |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-12-29 |
|
| 773-938
| 5 |
Chicago Zone 04-Humboldt |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-938
| 6 |
Chicago Zone 04-Humboldt |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-938
| 7 |
Chicago Zone 04-Humboldt |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2020-09-19 |
|
| 773-938
| 8 |
Chicago Zone 04-Humboldt |
IL |
|
829J PAETEC ITEL, LLC |
358 |
|
2006-06-26 |
|
| 773-938
| 9 |
Chicago Zone 04-Humboldt |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 773-939
| A |
Chicago Zone 08-Portsmouth |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-939
| 0 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-04-07 |
|
| 773-939
| 1 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-04-07 |
|
| 773-939
| 2 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-04-07 |
|
| 773-939
| 3 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-04-07 |
|
| 773-939
| 4 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-04-07 |
|
| 773-939
| 5 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-04-07 |
|
| 773-939
| 6 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-04-07 |
|
| 773-939
| 7 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-07-09 |
|
| 773-939
| 8 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-07-09 |
|
| 773-939
| 9 |
Chicago Zone 08-Portsmouth |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-04-07 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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