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 88 89 90 91 92 93 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
312-451
| 3 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2003-08-09 |
|
312-451
| 4 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2003-08-09 |
|
312-451
| 5 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2003-08-09 |
|
312-451
| 6 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2003-08-24 |
|
312-451
| 7 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2003-09-07 |
|
312-451
| 8 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2003-09-07 |
|
312-451
| 9 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2005-08-01 |
|
312-452
| A |
Chicago Zone 01-Wabash |
IL |
CHCGILBWCM2 |
9748 AMERICAN MESSAGING SERVICES, LLC |
358 |
|
|
|
312-453
| A |
Chicago Zone 01-Wabash |
IL |
EGVGILIFDS1 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
|
|
312-454
| A |
Chicago Zone 01-Canal |
IL |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-455
| A |
Chicago Zone 01-Monroe |
IL |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-456
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS4 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-457
| A |
Chicago Zone 01-Wabash |
IL |
CHCGILBWCM2 |
9748 AMERICAN MESSAGING SERVICES, LLC |
358 |
|
|
|
312-458
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-458
| 0 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-458
| 1 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-458
| 2 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-458
| 3 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-458
| 4 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-458
| 5 |
Chicago Zone 01-Franklin |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-02-28 |
|
312-458
| 6 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-458
| 7 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-458
| 8 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-458
| 9 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-459
| A |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
312-459
| 0 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2011-09-16 |
|
312-459
| 1 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2011-09-16 |
|
312-459
| 2 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2011-09-16 |
|
312-459
| 3 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2011-09-16 |
|
312-459
| 4 |
Chicago Zone 01-Calumet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2011-10-08 |
|
312-459
| 5 |
Chicago Zone 01-Calumet |
IL |
CHCGILTCDS4 |
7056 XO ILLINOIS, INC. |
358 |
|
2012-06-07 |
|
312-459
| 6 |
Chicago Zone 01-Calumet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2012-06-07 |
|
312-459
| 7 |
Chicago Zone 01-Calumet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2012-06-07 |
|
312-459
| 8 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2011-10-17 |
|
312-459
| 9 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2011-09-16 |
|
312-460
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-460
| 0 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-460
| 1 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-460
| 2 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-460
| 3 |
Chicago Zone 01-Franklin |
IL |
CHCGILDTDS3 |
5447 ACCESS ONE, INC. - IL |
358 |
|
2009-09-04 |
|
312-460
| 4 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-460
| 5 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2005-10-03 |
|
312-460
| 6 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2005-10-03 |
|
312-460
| 7 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2005-10-03 |
|
312-460
| 8 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-460
| 9 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-461
| A |
Chicago Zone 01-Wabash |
IL |
CHCGILWBDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-462
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS4 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
312-462
| 0 |
Chicago Zone 01-Franklin |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-12-04 |
|
312-462
| 1 |
Chicago Zone 01-Franklin |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2010-11-20 |
|
<< 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 88 89 90 91 92 93 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
Sponsored by: BeeVox - Whitelabel Reseller Platform
Like this site? We accept donations via PayPal.