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 |
| 312-460
| 5 |
Chicago Zone 01-Franklin |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
2005-10-03 |
|
| 312-460
| 6 |
Chicago Zone 01-Franklin |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
2005-10-03 |
|
| 312-460
| 7 |
Chicago Zone 01-Franklin |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
2005-10-03 |
|
| 312-460
| 8 |
Chicago Zone 01-Franklin |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-460
| 9 |
Chicago Zone 01-Franklin |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-461
| A |
Chicago Zone 01-Wabash |
IL |
CHCGILWBDS2 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-462
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS4 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-462
| 0 |
Chicago Zone 01-Franklin |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-12-04 |
|
| 312-462
| 1 |
Chicago Zone 01-Franklin |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2010-11-20 |
|
| 312-462
| 2 |
Chicago Zone 01-Franklin |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-462
| 3 |
Chicago Zone 01-Franklin |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2010-11-01 |
|
| 312-462
| 4 |
Chicago Zone 01-Franklin |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2010-11-01 |
|
| 312-462
| 5 |
Chicago Zone 01-Franklin |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-462
| 6 |
Chicago Zone 01-Franklin |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-462
| 7 |
Chicago Zone 01-Franklin |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-462
| 8 |
Chicago Zone 01-Franklin |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-462
| 9 |
Chicago Zone 01-Franklin |
IL |
|
7056 XO ILLINOIS, INC. |
358 |
|
2009-06-16 |
|
| 312-463
| A |
Chicago Zone 01-Canal |
IL |
CHCGILCLDS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-463
| 0 |
Chicago Zone 01-Canal |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-463
| 1 |
Chicago Zone 01-Canal |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-463
| 2 |
Chicago Zone 01-Canal |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-463
| 3 |
Chicago Zone 01-Canal |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-463
| 4 |
Chicago Zone 01-Canal |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-463
| 5 |
Chicago Zone 01-Canal |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-463
| 6 |
Chicago Zone 01-Canal |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-463
| 7 |
Chicago Zone 01-Canal |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-463
| 8 |
Chicago Zone 01-Canal |
IL |
|
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-463
| 9 |
Chicago Zone 01-Canal |
IL |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-09-20 |
|
| 312-464
| A |
Chicago Zone 01-Illinois Dearborn |
IL |
CHCGILIDDS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-465
| A |
Chicago Zone 01-Calumet |
IL |
CHCGILWBXEZ |
8760 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL |
358 |
|
2009-05-17 |
|
| 312-465
| 0 |
Chicago Zone 01-Calumet |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2011-09-29 |
|
| 312-465
| 1 |
Chicago Zone 01-Calumet |
IL |
|
8760 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL |
358 |
|
2009-05-17 |
|
| 312-465
| 2 |
Chicago Zone 01-Calumet |
IL |
|
7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL |
358 |
|
2011-09-17 |
|
| 312-465
| 3 |
Chicago Zone 01-Calumet |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2011-09-29 |
|
| 312-465
| 4 |
Chicago Zone 01-Calumet |
IL |
|
2491 CBEYOND COMMUNICATIONS, LLC - IL |
358 |
|
2011-09-08 |
|
| 312-465
| 5 |
Chicago Zone 01-Calumet |
IL |
|
2491 CBEYOND COMMUNICATIONS, LLC - IL |
358 |
|
2011-09-08 |
|
| 312-465
| 6 |
Chicago Zone 01-Calumet |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2011-09-29 |
|
| 312-465
| 7 |
Chicago Zone 01-Calumet |
IL |
|
4717 PAETEC COMMUNICATIONS, INC. - IL |
358 |
|
2012-06-07 |
|
| 312-465
| 8 |
Chicago Zone 01-Calumet |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2012-06-07 |
|
| 312-465
| 9 |
Chicago Zone 01-Calumet |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2012-06-07 |
|
| 312-466
| A |
Chicago Zone 01-Canal |
IL |
CHCGILCLDS3 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-467
| A |
Chicago Zone 01-Illinois Dearborn |
IL |
CHCGILIDDS2 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-468
| A |
Chicago Zone 01-Calumet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-468
| 0 |
Chicago Zone 01-Calumet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-28 |
|
| 312-468
| 1 |
Chicago Zone 01-Calumet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-28 |
|
| 312-468
| 2 |
Chicago Zone 01-Calumet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-28 |
|
| 312-468
| 3 |
Chicago Zone 01-Calumet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-28 |
|
| 312-468
| 4 |
Chicago Zone 01-Calumet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-28 |
|
| 312-468
| 5 |
Chicago Zone 01-Calumet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-28 |
|
| 312-468
| 6 |
Chicago Zone 01-Calumet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-28 |
|
<< 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 >>
Last updated: Wed, 05 Feb 2020 02:15:44 UTC
Sponsored by: ISP Telecom
Like this site? We accept donations via PayPal.