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 |
| 312-300
| 5 |
Chicago Zone 01-Calumet |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2012-02-25 |
|
| 312-300
| 6 |
Chicago Zone 01-Calumet |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2012-02-25 |
|
| 312-300
| 7 |
Chicago Zone 01-Calumet |
IL |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2012-02-25 |
|
| 312-300
| 8 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2012-02-21 |
|
| 312-300
| 9 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2012-02-21 |
|
| 312-301
| A |
Hinsdale |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-302
| A |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-303
| A |
Wheeling |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-303
| 0 |
Wheeling |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-304
| A |
Hinsdale |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-304
| 4 |
Hinsdale |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-305
| A |
Northbrook West |
IL |
ELGNIL32CM0 |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-305
| 0 |
Northbrook West |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-305
| 1 |
Northbrook West |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-305
| 2 |
Northbrook West |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-305
| 3 |
Northbrook West |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-305
| 4 |
Northbrook West |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-305
| 9 |
Northbrook West |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-306
| A |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-307
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-308
| A |
Chicago Zone 01-Canal |
IL |
CHCGILCLDS3 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-309
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-310
| A |
Northbrook West |
IL |
ELGNIL32CM0 |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-310
| 0 |
Northbrook West |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-310
| 1 |
Northbrook West |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-310
| 3 |
Northbrook West |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-310
| 9 |
Northbrook West |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-312
| A |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-03-22 |
|
| 312-312
| 0 |
Chicago Zone 01-Calumet |
IL |
|
5562 METRO PCS, INC. |
358 |
|
2018-05-06 |
|
| 312-312
| 1 |
Chicago Zone 01-Calumet |
IL |
|
5562 METRO PCS, INC. |
358 |
|
2018-05-06 |
|
| 312-312
| 2 |
Chicago Zone 01-Calumet |
IL |
|
7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL |
358 |
|
2018-05-04 |
|
| 312-312
| 3 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-03-22 |
|
| 312-312
| 4 |
Chicago Zone 01-Calumet |
IL |
|
5562 METRO PCS, INC. |
358 |
|
2018-05-06 |
|
| 312-312
| 5 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-03-22 |
|
| 312-312
| 6 |
Chicago Zone 01-Calumet |
IL |
|
5562 METRO PCS, INC. |
358 |
|
2018-05-06 |
|
| 312-312
| 7 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-03-22 |
|
| 312-312
| 8 |
Chicago Zone 01-Calumet |
IL |
|
5562 METRO PCS, INC. |
358 |
|
2018-05-06 |
|
| 312-312
| 9 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2018-03-22 |
|
| 312-313
| A |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
|
|
| 312-313
| 0 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2015-01-09 |
|
| 312-313
| 1 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2015-01-09 |
|
| 312-313
| 2 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2015-01-09 |
|
| 312-313
| 3 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2015-01-09 |
|
| 312-313
| 4 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2015-01-09 |
|
| 312-313
| 5 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2015-01-09 |
|
| 312-313
| 6 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2015-01-09 |
|
| 312-313
| 7 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2015-01-09 |
|
| 312-313
| 8 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2015-01-09 |
|
| 312-313
| 9 |
Chicago Zone 01-Calumet |
IL |
|
224C ONVOY, LLC |
358 |
|
2015-01-09 |
|
| 312-314
| A |
Hinsdale |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
<< 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
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