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 |
| 312-734
| 5 |
CHCGILCGDS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2015-11-01 |
|
| 312-734
| 6 |
CHCGILCGDS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2015-11-01 |
|
| 312-734
| 7 |
CHCGILCGDS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2015-11-01 |
|
| 312-734
| 8 |
CHCGILCGDS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2015-11-01 |
|
| 312-734
| 9 |
CHCGILMF4MD |
5562 METROPCS, INC. |
358 |
|
2015-12-05 |
|
| 312-736
| A |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 312-736
| 0 |
CHCGILWUJMD |
073H TELNYX LLC |
358 |
|
2018-07-05 |
|
| 312-736
| 1 |
CHCGILDTDS3 |
5447 ACCESS ONE, INC. - IL |
358 |
|
2018-03-16 |
|
| 312-736
| 2 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-07-26 |
|
| 312-736
| 3 |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2018-08-17 |
|
| 312-736
| 4 |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2018-08-17 |
|
| 312-736
| 5 |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2017-12-22 |
|
| 312-736
| 6 |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2017-12-22 |
|
| 312-736
| 7 |
CHCGILWUJMD |
073H TELNYX LLC |
358 |
|
2018-11-14 |
|
| 312-736
| 8 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-07-26 |
|
| 312-736
| 9 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-02-16 |
|
| 312-741
| A |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
|
|
| 312-741
| 0 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-06-01 |
|
| 312-741
| 1 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-06-01 |
|
| 312-741
| 2 |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
2017-12-22 |
|
| 312-741
| 3 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-06-01 |
|
| 312-741
| 4 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-06-01 |
|
| 312-741
| 5 |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
2017-12-22 |
|
| 312-741
| 6 |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2019-06-20 |
|
| 312-741
| 7 |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2018-09-24 |
|
| 312-741
| 8 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2018-10-15 |
|
| 312-741
| 9 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-12-20 |
|
| 312-748
| A |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 312-748
| 0 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-24 |
|
| 312-748
| 1 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-24 |
|
| 312-748
| 2 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-24 |
|
| 312-748
| 3 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-24 |
|
| 312-748
| 4 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-24 |
|
| 312-748
| 5 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-24 |
|
| 312-748
| 6 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-24 |
|
| 312-748
| 7 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-24 |
|
| 312-748
| 8 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-24 |
|
| 312-748
| 9 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-24 |
|
| 312-752
| A |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-752
| 0 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2004-11-20 |
|
| 312-752
| 1 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-11 |
|
| 312-752
| 2 |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-06-28 |
|
| 312-752
| 3 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-11 |
|
| 312-752
| 4 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-11 |
|
| 312-752
| 5 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2004-10-05 |
|
| 312-752
| 6 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2004-10-05 |
|
| 312-752
| 7 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2004-10-05 |
|
| 312-752
| 8 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2004-11-20 |
|
| 312-752
| 9 |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-06-28 |
|
| 312-754
| A |
CHCGILCPDS9 |
138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL |
358 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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