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 |
| 312-241
| 2 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-10-14 |
|
| 312-241
| 3 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-10-14 |
|
| 312-241
| 4 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-10-14 |
|
| 312-241
| 5 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-10-14 |
|
| 312-241
| 6 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-10-14 |
|
| 312-241
| 7 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-10-14 |
|
| 312-241
| 8 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-10-14 |
|
| 312-241
| 9 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-10-14 |
|
| 312-242
| A |
Chicago Zone 01-Wabash |
IL |
CHCGILCGDS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 312-242
| 0 |
Chicago Zone 01-Wabash |
IL |
CHCGILCGDS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 312-242
| 1 |
Chicago Zone 01-Wabash |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2000-10-13 |
|
| 312-242
| 2 |
Chicago Zone 01-Wabash |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2002-07-03 |
|
| 312-242
| 3 |
Chicago Zone 01-Wabash |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-04-23 |
|
| 312-242
| 4 |
Chicago Zone 01-Wabash |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2001-07-09 |
|
| 312-242
| 5 |
Chicago Zone 01-Wabash |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2001-01-17 |
|
| 312-242
| 6 |
Chicago Zone 01-Wabash |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2001-07-09 |
|
| 312-242
| 7 |
Chicago Zone 01-Wabash |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2000-11-20 |
|
| 312-242
| 8 |
Chicago Zone 01-Wabash |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2001-07-09 |
|
| 312-242
| 9 |
Chicago Zone 01-Wabash |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2001-07-09 |
|
| 312-243
| A |
Chicago Zone 01-Monroe |
IL |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-244
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-244
| 0 |
Chicago Zone 01-Franklin |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2010-08-16 |
|
| 312-244
| 1 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-244
| 2 |
Chicago Zone 01-Franklin |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-06-02 |
|
| 312-244
| 3 |
Chicago Zone 01-Franklin |
IL |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2005-12-12 |
|
| 312-244
| 4 |
Chicago Zone 01-Franklin |
IL |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2005-12-12 |
|
| 312-244
| 5 |
Chicago Zone 01-Franklin |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-06-02 |
|
| 312-244
| 6 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-244
| 7 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-244
| 8 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-244
| 9 |
Chicago Zone 01-Franklin |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2010-08-16 |
|
| 312-245
| A |
Chicago Zone 01-Illinois Dearborn |
IL |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-246
| A |
Wheeling |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-246
| 0 |
Wheeling |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-246
| 1 |
Wheeling |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-246
| 2 |
Wheeling |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-246
| 3 |
Wheeling |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-246
| 4 |
Wheeling |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-246
| 5 |
Wheeling |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-246
| 9 |
Wheeling |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-247
| A |
Chicago Zone 01-Calumet |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-247
| 0 |
Chicago Zone 01-Calumet |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2004-05-28 |
|
| 312-247
| 1 |
Chicago Zone 01-Calumet |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2004-05-28 |
|
| 312-247
| 2 |
Chicago Zone 01-Calumet |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2004-05-28 |
|
| 312-247
| 3 |
Chicago Zone 01-Calumet |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2004-05-28 |
|
| 312-247
| 4 |
Chicago Zone 01-Calumet |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2004-05-28 |
|
| 312-247
| 5 |
Chicago Zone 01-Calumet |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2004-05-28 |
|
| 312-247
| 6 |
Chicago Zone 01-Calumet |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2004-05-28 |
|
| 312-247
| 7 |
Chicago Zone 01-Calumet |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2004-05-28 |
|
| 312-247
| 8 |
Chicago Zone 01-Calumet |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2004-05-28 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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