Local Calling Guide
Area code/prefix search
Mazon, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 779-228
| A |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
|
|
| 779-228
| 0 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-06-05 |
|
| 779-228
| 1 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-06-05 |
|
| 779-228
| 2 |
|
224C ONVOY, LLC |
358 |
|
2014-09-07 |
|
| 779-228
| 3 |
|
224C ONVOY, LLC |
358 |
|
2016-04-14 |
|
| 779-228
| 4 |
|
224C ONVOY, LLC |
358 |
|
2016-04-14 |
|
| 779-228
| 5 |
|
073H TELNYX LLC |
358 |
|
2018-07-24 |
|
| 779-228
| 6 |
|
224C ONVOY, LLC |
358 |
|
2019-09-06 |
|
| 779-228
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
358 |
|
2014-02-24 |
|
| 779-228
| 8 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2019-06-28 |
|
| 779-228
| 9 |
|
224C ONVOY, LLC |
358 |
|
2018-12-27 |
|
| 779-295
| A |
CHCGIL24XMD |
495J STRATUS NETWORKS |
358 |
|
|
|
| 779-295
| 0 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-28 |
|
| 779-295
| 1 |
|
495J STRATUS NETWORKS |
358 |
|
2020-10-31 |
|
| 779-295
| 2 |
|
224C ONVOY, LLC |
358 |
|
2020-11-01 |
|
| 779-295
| 3 |
|
224C ONVOY, LLC |
358 |
|
2020-11-01 |
|
| 815-448
| A |
MAZNILMZRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-448
| 0 |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2012-03-07 |
|
| 815-448
| 1 |
|
516C AT&T CORP. |
358 |
|
2011-06-01 |
|
| 815-448
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-448
| 3 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2006-07-30 |
|
| 815-448
| 5 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-448
| 6 |
|
5447 ACCESS ONE, INC. - IL |
358 |
|
2006-08-06 |
|
| 815-448
| 7 |
|
829J PAETEC ITEL, LLC |
358 |
|
2009-11-13 |
|
| 815-448
| 8 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2026-02-15 |
|
| 815-448
| 9 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-03-05 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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