Local Calling Guide
Area code/prefix search
Grand Ridge, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 779-278
| A |
BLTNILTSYMD |
495J STRATUS NETWORKS |
366 |
|
|
|
| 779-278
| 0 |
|
073H TELNYX LLC |
366 |
|
2021-10-01 |
|
| 779-278
| 1 |
|
495J STRATUS NETWORKS |
366 |
|
2021-05-15 |
|
| 779-278
| 2 |
|
624H ONVOY SPECTRUM, LLC |
366 |
|
2023-06-02 |
|
| 779-278
| 4 |
|
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
366 |
|
2022-04-21 |
|
| 779-278
| 7 |
|
224C ONVOY, LLC |
366 |
|
2021-09-10 |
|
| 779-278
| 8 |
|
224C ONVOY, LLC |
366 |
|
2021-08-01 |
|
| 815-249
| A |
GDRGILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 815-249
| 1 |
|
224C ONVOY, LLC |
366 |
|
2020-05-21 |
|
| 815-249
| 2 |
|
224C ONVOY, LLC |
366 |
|
2019-01-17 |
|
| 815-249
| 4 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
366 |
|
2002-09-04 |
|
| 815-249
| 5 |
|
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 815-249
| 6 |
|
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 815-249
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
366 |
|
2014-08-12 |
|
| 815-249
| 8 |
|
224C ONVOY, LLC |
366 |
|
2019-07-15 |
|
| 815-249
| 9 |
|
224C ONVOY, LLC |
366 |
|
2019-07-15 |
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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