Local Calling Guide
Area code/prefix search
Sullivan City, TX
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 956-446
| A |
HRLNTXHGX1X |
903C ONVOY, LLC - TX |
568 |
|
|
|
| 956-446
| 0 |
|
903C ONVOY, LLC - TX |
568 |
|
2017-05-21 |
|
| 956-446
| 1 |
|
073H TELNYX LLC |
568 |
|
2021-04-09 |
|
| 956-446
| 2 |
|
903C ONVOY, LLC - TX |
568 |
|
2020-08-24 |
|
| 956-446
| 3 |
|
903C ONVOY, LLC - TX |
568 |
|
2020-08-24 |
|
| 956-446
| 4 |
|
903C ONVOY, LLC - TX |
568 |
|
2022-01-25 |
|
| 956-446
| 5 |
|
903C ONVOY, LLC - TX |
568 |
|
2021-06-03 |
|
| 956-446
| 6 |
|
903C ONVOY, LLC - TX |
568 |
|
2021-06-03 |
|
| 956-446
| 7 |
|
624H ONVOY SPECTRUM, LLC |
568 |
|
2021-06-24 |
|
| 956-446
| 8 |
|
903C ONVOY, LLC - TX |
568 |
|
2021-09-24 |
|
| 956-446
| 9 |
|
903C ONVOY, LLC - TX |
568 |
|
2021-09-24 |
|
| 956-485
| A |
SLCYTXSCRS0 |
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-485
| 0 |
|
5562 METROPCS, INC. |
568 |
|
2017-03-03 |
|
| 956-485
| 1 |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-485
| 2 |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-485
| 3 |
|
4866 SMARTCOM TELEPHONE, LLC |
568 |
|
2017-04-07 |
|
| 956-485
| 4 |
|
319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX |
568 |
|
2005-10-20 |
|
| 956-485
| 5 |
|
624H ONVOY SPECTRUM, LLC |
568 |
|
2021-12-04 |
|
| 956-485
| 6 |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2007-06-13 |
|
| 956-485
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
568 |
|
2016-06-08 |
|
| 956-485
| 8 |
|
516C AT&T CORP. |
568 |
|
2011-09-12 |
|
| 956-485
| 9 |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-779
| A |
HRLNTXHGXUX |
516J TON80 COMMUNICATIONS, LLC |
568 |
|
|
|
| 956-779
| 0 |
|
073H TELNYX LLC |
568 |
|
2022-06-06 |
|
| 956-779
| 1 |
|
903C ONVOY, LLC - TX |
568 |
|
2022-12-22 |
|
| 956-779
| 2 |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2025-03-10 |
|
| 956-779
| 5 |
|
5562 METROPCS, INC. |
568 |
|
2023-08-07 |
|
| 956-779
| 7 |
|
516J TON80 COMMUNICATIONS, LLC |
568 |
|
2022-06-05 |
|
| 956-779
| 8 |
|
903C ONVOY, LLC - TX |
568 |
|
2023-08-14 |
|
| 956-779
| 9 |
|
490J DISH WIRELESS, LLC |
568 |
|
2022-06-07 |
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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