Local Calling Guide
Area code/prefix search
Warren, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 779-327
| A |
FRPTILXAMMD |
224C ONVOY, LLC |
360 |
|
|
|
| 779-327
| 0 |
|
624H ONVOY SPECTRUM, LLC |
360 |
|
2024-10-31 |
|
| 779-327
| 7 |
|
224C ONVOY, LLC |
360 |
|
2021-08-09 |
|
| 815-745
| A |
WRRNILXARS0 |
1036 FRONTIER NORTH, INC. - IL |
360 |
|
|
|
| 815-745
| 0 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
360 |
|
2019-11-20 |
|
| 815-745
| 1 |
|
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
360 |
|
2010-06-28 |
|
| 815-745
| 2 |
|
1036 FRONTIER NORTH, INC. - IL |
360 |
|
|
|
| 815-745
| 3 |
|
1036 FRONTIER NORTH, INC. - IL |
360 |
|
|
|
| 815-745
| 4 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
360 |
|
2004-07-02 |
|
| 815-745
| 5 |
|
224C ONVOY, LLC |
360 |
|
2020-07-18 |
|
| 815-745
| 6 |
|
145J TERRA NOVA TELECOM INC. |
360 |
|
2026-01-04 |
|
| 815-745
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
360 |
|
2016-02-20 |
|
| 815-745
| 8 |
|
224C ONVOY, LLC |
360 |
|
2021-04-02 |
|
| 815-745
| 9 |
|
145J TERRA NOVA TELECOM INC. |
360 |
|
2025-05-27 |
|
| 815-818
| A |
FRPTILBUDS0 |
443F AERO NORTH COMMUNICATIONS, INC. - IL |
360 |
|
|
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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