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 |
| 312-870
| 0 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-04 |
|
| 312-870
| 1 |
|
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-870
| 2 |
|
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-870
| 3 |
|
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-870
| 4 |
|
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-870
| 5 |
|
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-870
| 6 |
|
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-870
| 7 |
|
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-870
| 8 |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-11-03 |
|
| 312-870
| 9 |
|
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-871
| A |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-871
| 0 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2015-10-13 |
|
| 312-871
| 1 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2015-10-13 |
|
| 312-871
| 2 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2015-10-13 |
|
| 312-871
| 3 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-06-25 |
|
| 312-871
| 4 |
CHCGILCGDS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2015-10-13 |
|
| 312-871
| 5 |
CHCGILCGDS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2015-10-13 |
|
| 312-871
| 6 |
CHCGILCGDS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2015-10-13 |
|
| 312-871
| 7 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2015-10-13 |
|
| 312-871
| 8 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2015-10-13 |
|
| 312-871
| 9 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-11-23 |
|
| 312-872
| A |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-872
| 0 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2018-11-06 |
|
| 312-872
| 1 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-12-20 |
|
| 312-872
| 2 |
CHCGILMF4MD |
5562 METROPCS, INC. |
358 |
|
2018-10-21 |
|
| 312-872
| 3 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-06-28 |
|
| 312-872
| 4 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-06-28 |
|
| 312-872
| 5 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2018-09-02 |
|
| 312-872
| 6 |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2018-11-19 |
|
| 312-872
| 7 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-06-28 |
|
| 312-872
| 8 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-06-28 |
|
| 312-872
| 9 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-12-20 |
|
| 312-874
| A |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-874
| 0 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-07-22 |
|
| 312-874
| 1 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-07-22 |
|
| 312-874
| 2 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-07-22 |
|
| 312-874
| 3 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-07-22 |
|
| 312-874
| 4 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-07-22 |
|
| 312-874
| 5 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2015-07-28 |
|
| 312-874
| 6 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2015-07-28 |
|
| 312-874
| 7 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2015-07-28 |
|
| 312-874
| 8 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2015-07-20 |
|
| 312-874
| 9 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2015-07-20 |
|
| 312-877
| A |
CHCGILCLXOX |
516C AT&T CORP. |
358 |
|
|
|
| 312-877
| 0 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-09-13 |
|
| 312-877
| 1 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-09-13 |
|
| 312-877
| 2 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-09-13 |
|
| 312-877
| 3 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-09-13 |
|
| 312-877
| 4 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2014-09-19 |
|
| 312-877
| 5 |
CHCGILCLXOX |
516C AT&T CORP. |
358 |
|
2014-09-11 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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