Local Calling Guide
Area code/prefix search
Chicago Zone 01-Calumet, IL
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-767
| 3 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-06-15 |
|
| 312-767
| 4 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-06-15 |
|
| 312-767
| 5 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-06-15 |
|
| 312-767
| 6 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-06-15 |
|
| 312-767
| 7 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-06-15 |
|
| 312-767
| 8 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-06-15 |
|
| 312-767
| 9 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-06-15 |
|
| 312-768
| A |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 312-768
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2011-02-24 |
|
| 312-768
| 1 |
|
829J PAETEC ITEL, LLC |
358 |
|
2009-04-16 |
|
| 312-768
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
2002-10-23 |
|
| 312-768
| 3 |
|
5562 METROPCS, INC. |
358 |
|
2011-01-05 |
|
| 312-768
| 4 |
|
5447 ACCESS ONE, INC. - IL |
358 |
|
2007-09-22 |
|
| 312-768
| 5 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 312-768
| 6 |
|
5447 ACCESS ONE, INC. - IL |
358 |
|
2007-09-22 |
|
| 312-768
| 7 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2005-02-20 |
|
| 312-768
| 8 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-04 |
|
| 312-768
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2011-05-26 |
|
| 312-769
| A |
HMNDINPRCM0 |
6795 INDIANA PAGING NETWORK, INC. |
358 |
|
|
|
| 312-770
| A |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-770
| 0 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-27 |
|
| 312-770
| 1 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-770
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-770
| 3 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-770
| 4 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-770
| 5 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-770
| 6 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-770
| 7 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-770
| 8 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-770
| 9 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-772
| A |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-772
| 0 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 312-772
| 1 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 312-772
| 2 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2009-09-06 |
|
| 312-772
| 3 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2009-09-06 |
|
| 312-772
| 4 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2009-09-06 |
|
| 312-772
| 5 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2009-09-06 |
|
| 312-772
| 6 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-04 |
|
| 312-772
| 7 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 312-772
| 8 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 312-772
| 9 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 312-773
| A |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
|
|
| 312-773
| 0 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-22 |
|
| 312-773
| 1 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-22 |
|
| 312-773
| 2 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-22 |
|
| 312-773
| 3 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-22 |
|
| 312-773
| 4 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-22 |
|
| 312-773
| 5 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-22 |
|
| 312-773
| 6 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-22 |
|
| 312-773
| 7 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-07-22 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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