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 |
| 312-241
| 8 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-10-14 |
|
| 312-241
| 9 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-10-14 |
|
| 312-247
| A |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
|
|
| 312-247
| 0 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-05-28 |
|
| 312-247
| 1 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-05-28 |
|
| 312-247
| 2 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-05-28 |
|
| 312-247
| 3 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-05-28 |
|
| 312-247
| 4 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-05-28 |
|
| 312-247
| 5 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-05-28 |
|
| 312-247
| 6 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-05-28 |
|
| 312-247
| 7 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-05-28 |
|
| 312-247
| 8 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-05-28 |
|
| 312-247
| 9 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-05-28 |
|
| 312-248
| A |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
|
|
| 312-248
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-08-30 |
|
| 312-248
| 1 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-08-30 |
|
| 312-248
| 2 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-08-30 |
|
| 312-248
| 3 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-08-30 |
|
| 312-248
| 4 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-08-30 |
|
| 312-248
| 5 |
|
5562 METROPCS, INC. |
358 |
|
2014-08-22 |
|
| 312-248
| 6 |
|
224C ONVOY, LLC |
358 |
|
2015-04-27 |
|
| 312-248
| 7 |
|
224C ONVOY, LLC |
358 |
|
2015-04-27 |
|
| 312-248
| 8 |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2015-04-21 |
|
| 312-248
| 9 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-05-11 |
|
| 312-250
| A |
LBRDILGOAMD |
6630 USA MOBILITY WIRELESS, INC. |
358 |
|
|
|
| 312-252
| A |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-252
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-252
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-252
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-252
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-252
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-252
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-252
| 6 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
2002-10-14 |
|
| 312-252
| 7 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
2003-03-07 |
|
| 312-252
| 8 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-252
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-253
| A |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-253
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-253
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-253
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-253
| 3 |
|
829J PAETEC ITEL, LLC |
358 |
|
2009-02-05 |
|
| 312-253
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-253
| 5 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2010-06-10 |
|
| 312-253
| 6 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2010-06-10 |
|
| 312-253
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-253
| 8 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-253
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-254
| A |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-254
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-254
| 1 |
|
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: ISP Telecom
Like this site? We accept donations via PayPal.