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 |
| 312-594
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2008-12-21 |
|
| 312-594
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2008-12-21 |
|
| 312-594
| 8 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2008-12-21 |
|
| 312-594
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2008-12-21 |
|
| 312-597
| A |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-597
| 0 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2016-12-03 |
|
| 312-597
| 1 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2016-12-03 |
|
| 312-597
| 2 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2016-12-03 |
|
| 312-597
| 3 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2016-12-03 |
|
| 312-597
| 4 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2016-12-03 |
|
| 312-597
| 5 |
|
5562 METROPCS, INC. |
358 |
|
2016-12-04 |
|
| 312-597
| 6 |
|
5562 METROPCS, INC. |
358 |
|
2016-12-04 |
|
| 312-597
| 7 |
|
5562 METROPCS, INC. |
358 |
|
2016-12-04 |
|
| 312-597
| 8 |
|
5562 METROPCS, INC. |
358 |
|
2016-12-04 |
|
| 312-597
| 9 |
|
5562 METROPCS, INC. |
358 |
|
2016-12-04 |
|
| 312-598
| A |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 312-598
| 0 |
|
224C ONVOY, LLC |
358 |
|
2019-03-25 |
|
| 312-598
| 1 |
|
224C ONVOY, LLC |
358 |
|
2019-03-25 |
|
| 312-598
| 2 |
|
224C ONVOY, LLC |
358 |
|
2019-03-25 |
|
| 312-598
| 3 |
|
224C ONVOY, LLC |
358 |
|
2019-03-25 |
|
| 312-598
| 4 |
|
224C ONVOY, LLC |
358 |
|
2019-03-25 |
|
| 312-598
| 5 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2019-04-20 |
|
| 312-598
| 6 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2019-04-20 |
|
| 312-598
| 7 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2019-04-20 |
|
| 312-598
| 8 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2019-04-20 |
|
| 312-598
| 9 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-04-29 |
|
| 312-599
| A |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-599
| 0 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2017-01-20 |
|
| 312-599
| 1 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2017-01-20 |
|
| 312-599
| 2 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2017-01-20 |
|
| 312-599
| 3 |
|
5562 METROPCS, INC. |
358 |
|
2017-02-05 |
|
| 312-599
| 4 |
|
5562 METROPCS, INC. |
358 |
|
2017-02-05 |
|
| 312-599
| 5 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-21 |
|
| 312-599
| 6 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-21 |
|
| 312-599
| 7 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-21 |
|
| 312-599
| 8 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-21 |
|
| 312-599
| 9 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-21 |
|
| 312-600
| A |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 312-600
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-05-24 |
|
| 312-600
| 1 |
|
224C ONVOY, LLC |
358 |
|
2012-07-30 |
|
| 312-600
| 2 |
|
224C ONVOY, LLC |
358 |
|
2012-07-30 |
|
| 312-600
| 3 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-09-08 |
|
| 312-600
| 4 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-09-08 |
|
| 312-600
| 5 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-09-08 |
|
| 312-600
| 6 |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2014-04-16 |
|
| 312-600
| 7 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-09-08 |
|
| 312-600
| 8 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-09-08 |
|
| 312-600
| 9 |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2012-08-31 |
|
| 312-602
| A |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-604
| A |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
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 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
Sponsored by: VoIP Much Phone Company
Like this site? We accept donations via PayPal.