Local Calling Guide
Area code/prefix search
NPA: 312
[Rate centres in NPA 312]
[Dial plan for NPA 312]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-800
| 3 |
Chicago Zone 01-Calumet |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2013-02-08 |
|
| 312-800
| 4 |
Chicago Zone 01-Calumet |
IL |
|
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
2013-01-15 |
|
| 312-800
| 5 |
Chicago Zone 01-Calumet |
IL |
|
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
2013-01-15 |
|
| 312-800
| 6 |
Chicago Zone 01-Calumet |
IL |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2013-01-30 |
|
| 312-800
| 7 |
Chicago Zone 01-Calumet |
IL |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2013-01-30 |
|
| 312-800
| 8 |
Chicago Zone 01-Calumet |
IL |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-01-11 |
|
| 312-800
| 9 |
Chicago Zone 01-Calumet |
IL |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-01-30 |
|
| 312-801
| A |
Chicago Zone 01-Calumet |
IL |
|
551G BRIGHTLINK COMMUNICATIONS, LLC |
358 |
|
2013-06-28 |
|
| 312-801
| 0 |
Chicago Zone 01-Calumet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-11-14 |
|
| 312-801
| 1 |
Chicago Zone 01-Calumet |
IL |
|
551G BRIGHTLINK COMMUNICATIONS, LLC |
358 |
|
2013-06-28 |
|
| 312-801
| 2 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-07-01 |
|
| 312-801
| 3 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-07-01 |
|
| 312-801
| 4 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-07-01 |
|
| 312-801
| 5 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-07-01 |
|
| 312-801
| 6 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-07-01 |
|
| 312-801
| 7 |
Chicago Zone 01-Calumet |
IL |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2013-08-12 |
|
| 312-801
| 8 |
Chicago Zone 01-Calumet |
IL |
|
4604 FIRST COMMUNICATIONS LLC - IL |
358 |
|
2013-09-21 |
|
| 312-801
| 9 |
Chicago Zone 01-Calumet |
IL |
|
2491 CBEYOND COMMUNICATIONS, LLC - IL |
358 |
|
2013-10-02 |
|
| 312-802
| A |
Chicago Zone 01-Wabash |
IL |
ELGNIL32CM2 |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-803
| A |
Chicago Zone 01-Wabash |
IL |
EGVGILIFDS1 |
7196 MCI WORLDCOM COMMUNICATIONS, INC. - IL |
358 |
|
|
|
| 312-804
| A |
Chicago Zone 01-Wabash |
IL |
CHCGILMFCM6 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-805
| A |
Chicago Zone 01-Wabash |
IL |
ELGNIL32CM2 |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-806
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-807
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS3 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-808
| A |
Chicago Zone 01-Calumet |
IL |
CHCGILCADS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-809
| A |
Chicago Zone 01-Calumet |
IL |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-809
| 0 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-02-06 |
|
| 312-809
| 1 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-02-06 |
|
| 312-809
| 2 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-02-06 |
|
| 312-809
| 3 |
Chicago Zone 01-Calumet |
IL |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2013-12-09 |
|
| 312-809
| 4 |
Chicago Zone 01-Calumet |
IL |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2013-12-09 |
|
| 312-809
| 5 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-02-06 |
|
| 312-809
| 6 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-02-06 |
|
| 312-809
| 7 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-02-06 |
|
| 312-809
| 8 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-02-06 |
|
| 312-809
| 9 |
Chicago Zone 01-Calumet |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-02-06 |
|
| 312-810
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-812
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-813
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-814
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-815
| A |
Chicago Zone 01-Calumet |
IL |
|
996H AIRESPRING, INC. |
358 |
|
2018-06-21 |
|
| 312-815
| 0 |
Chicago Zone 01-Calumet |
IL |
|
996H AIRESPRING, INC. |
358 |
|
2018-06-21 |
|
| 312-815
| 1 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-11-06 |
|
| 312-815
| 2 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-11-06 |
|
| 312-815
| 3 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-11-06 |
|
| 312-815
| 4 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-11-06 |
|
| 312-815
| 5 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-11-06 |
|
| 312-815
| 6 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-11-06 |
|
| 312-815
| 7 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-11-06 |
|
| 312-815
| 8 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-11-06 |
|
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Last updated: Tue, 31 Dec 2019 02:37:20 UTC
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