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 |
| 773-661
| 3 |
Chicago Zone 04-Humboldt |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-09-10 |
|
| 773-661
| 4 |
Chicago Zone 04-Humboldt |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-09-10 |
|
| 773-661
| 5 |
Chicago Zone 04-Humboldt |
IL |
|
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 773-661
| 6 |
Chicago Zone 04-Humboldt |
IL |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2007-09-07 |
|
| 773-661
| 7 |
Chicago Zone 04-Humboldt |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2018-05-29 |
|
| 773-661
| 8 |
Chicago Zone 04-Humboldt |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2019-02-11 |
|
| 773-661
| 9 |
Chicago Zone 04-Humboldt |
IL |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2007-01-13 |
|
| 773-662
| A |
Chicago Zone 01-Wabash |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 773-663
| A |
Chicago Zone 03-Kildare |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 773-663
| 0 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2011-02-28 |
|
| 773-663
| 1 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2004-04-02 |
|
| 773-663
| 2 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2011-02-28 |
|
| 773-663
| 3 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2011-01-28 |
|
| 773-663
| 4 |
Chicago Zone 03-Kildare |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-10-28 |
|
| 773-663
| 5 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2004-10-29 |
|
| 773-663
| 6 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2004-11-12 |
|
| 773-663
| 7 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2004-11-26 |
|
| 773-663
| 8 |
Chicago Zone 03-Kildare |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2004-03-19 |
|
| 773-663
| 9 |
Chicago Zone 03-Kildare |
IL |
|
5562 METROPCS, INC. |
358 |
|
2004-03-19 |
|
| 773-664
| A |
Chicago Zone 05-Austin |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2024-12-09 |
|
| 773-664
| 0 |
Chicago Zone 05-Austin |
IL |
|
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 773-664
| 1 |
Chicago Zone 05-Austin |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-664
| 2 |
Chicago Zone 05-Austin |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-664
| 3 |
Chicago Zone 05-Austin |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-664
| 4 |
Chicago Zone 05-Austin |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-664
| 5 |
Chicago Zone 05-Austin |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 773-664
| 6 |
Chicago Zone 05-Austin |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-20 |
|
| 773-664
| 7 |
Chicago Zone 05-Austin |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-20 |
|
| 773-664
| 8 |
Chicago Zone 05-Austin |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-20 |
|
| 773-664
| 9 |
Chicago Zone 05-Austin |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-20 |
|
| 773-665
| A |
Chicago Zone 04-Lakeview |
IL |
CHCGILLWDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-666
| A |
Chicago Zone 04-Humboldt |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 773-666
| 0 |
Chicago Zone 04-Humboldt |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-07-18 |
|
| 773-666
| 1 |
Chicago Zone 04-Humboldt |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-07-18 |
|
| 773-666
| 2 |
Chicago Zone 04-Humboldt |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-07-18 |
|
| 773-666
| 3 |
Chicago Zone 04-Humboldt |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-11-14 |
|
| 773-666
| 4 |
Chicago Zone 04-Humboldt |
IL |
|
224C ONVOY, LLC |
358 |
|
2012-01-22 |
|
| 773-666
| 5 |
Chicago Zone 04-Humboldt |
IL |
|
516C AT&T CORP. |
358 |
|
2011-07-19 |
|
| 773-666
| 6 |
Chicago Zone 04-Humboldt |
IL |
|
224C ONVOY, LLC |
358 |
|
2012-01-22 |
|
| 773-666
| 7 |
Chicago Zone 04-Humboldt |
IL |
|
224C ONVOY, LLC |
358 |
|
2012-01-22 |
|
| 773-666
| 8 |
Chicago Zone 04-Humboldt |
IL |
|
224C ONVOY, LLC |
358 |
|
2012-01-22 |
|
| 773-666
| 9 |
Chicago Zone 04-Humboldt |
IL |
|
224C ONVOY, LLC |
358 |
|
2012-01-22 |
|
| 773-667
| A |
Chicago Zone 07-Hyde Park |
IL |
CHCGILDODS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-667
| 0 |
Chicago Zone 07-Hyde Park |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-667
| 1 |
Chicago Zone 07-Hyde Park |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-667
| 2 |
Chicago Zone 07-Hyde Park |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-667
| 3 |
Chicago Zone 07-Hyde Park |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2021-03-05 |
|
| 773-667
| 4 |
Chicago Zone 07-Hyde Park |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-667
| 5 |
Chicago Zone 07-Hyde Park |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 773-667
| 6 |
Chicago Zone 07-Hyde Park |
IL |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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