Local Calling Guide
Area code/prefix search
NPA: 312
[Rate centres in NPA 312]
[Dial plan for NPA 312]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 >>
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: Sun, 10 Nov 2019 13:49:34 UTC
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