Local Calling Guide
Area code/prefix search
Chicago Zone 01-Calumet, IL
<< 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 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-838
| 4 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2016-02-25 |
|
| 312-838
| 5 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2016-02-25 |
|
| 312-838
| 6 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2016-02-25 |
|
| 312-838
| 7 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2016-02-25 |
|
| 312-838
| 8 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2016-02-25 |
|
| 312-838
| 9 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2016-02-25 |
|
| 312-842
| A |
CHCGILCADS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-843
| A |
CHCGILCLDS7 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 312-843
| 0 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-29 |
|
| 312-843
| 1 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-29 |
|
| 312-843
| 2 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-29 |
|
| 312-843
| 3 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-29 |
|
| 312-843
| 4 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-29 |
|
| 312-843
| 5 |
CHCGILCLDS7 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2014-04-26 |
|
| 312-843
| 6 |
CHCGILCLDS7 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2014-04-26 |
|
| 312-843
| 7 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-29 |
|
| 312-843
| 8 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-29 |
|
| 312-843
| 9 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-29 |
|
| 312-847
| A |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 312-847
| 0 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-30 |
|
| 312-847
| 1 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-30 |
|
| 312-847
| 2 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-30 |
|
| 312-847
| 3 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-30 |
|
| 312-847
| 4 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-30 |
|
| 312-847
| 5 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-30 |
|
| 312-847
| 6 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-30 |
|
| 312-847
| 7 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-30 |
|
| 312-847
| 8 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-30 |
|
| 312-847
| 9 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-30 |
|
| 312-858
| A |
CHCGILDTDMD |
156J RCLEC, INC. |
358 |
|
|
|
| 312-858
| 0 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2016-04-25 |
|
| 312-858
| 1 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-02-20 |
|
| 312-858
| 2 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-02-20 |
|
| 312-858
| 3 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-02-20 |
|
| 312-858
| 4 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-02-20 |
|
| 312-858
| 5 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-02-20 |
|
| 312-858
| 6 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-02-20 |
|
| 312-858
| 7 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-02-20 |
|
| 312-858
| 8 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-02-20 |
|
| 312-858
| 9 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-02-20 |
|
| 312-862
| A |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-862
| 0 |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2006-03-18 |
|
| 312-862
| 1 |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2006-03-18 |
|
| 312-862
| 2 |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2006-03-18 |
|
| 312-862
| 3 |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2006-03-18 |
|
| 312-862
| 4 |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2006-03-18 |
|
| 312-862
| 5 |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2006-03-18 |
|
| 312-862
| 6 |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2006-03-18 |
|
| 312-862
| 7 |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2006-03-18 |
|
| 312-862
| 8 |
CHCGILFRDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2006-03-18 |
|
<< 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 >>
Last updated: Sat, 01 Aug 2026 03:19:33 UTC
Sponsored by: BeeVox - Whitelabel Reseller Platform
Like this site? We accept donations via PayPal.