Local Calling Guide
Area code/prefix search
Mart, TX
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 254-556
| A |
WACOTX01XIX |
903C ONVOY, LLC - TX |
556 |
|
|
|
| 254-556
| 0 |
|
073H TELNYX LLC |
556 |
|
2019-09-21 |
|
| 254-556
| 1 |
|
515J IP HORIZON LLC |
556 |
|
2021-06-05 |
|
| 254-556
| 2 |
|
903C ONVOY, LLC - TX |
556 |
|
2019-09-20 |
|
| 254-556
| 3 |
|
903C ONVOY, LLC - TX |
556 |
|
2019-09-20 |
|
| 254-556
| 4 |
|
903C ONVOY, LLC - TX |
556 |
|
2019-10-31 |
|
| 254-556
| 5 |
|
903C ONVOY, LLC - TX |
556 |
|
2019-10-31 |
|
| 254-556
| 6 |
|
903C ONVOY, LLC - TX |
556 |
|
2020-12-11 |
|
| 254-556
| 7 |
|
903C ONVOY, LLC - TX |
556 |
|
2020-12-11 |
|
| 254-556
| 9 |
|
624H ONVOY SPECTRUM, LLC |
556 |
|
2021-07-05 |
|
| 254-568
| A |
WACOTX01XIY |
515J IP HORIZON LLC |
556 |
|
2024-06-06 |
|
| 254-568
| 0 |
|
515J IP HORIZON LLC |
556 |
|
2025-02-27 |
|
| 254-568
| 1 |
|
515J IP HORIZON LLC |
556 |
|
2024-06-06 |
|
| 254-568
| 2 |
|
515J IP HORIZON LLC |
556 |
|
2024-06-06 |
|
| 254-568
| 3 |
|
515J IP HORIZON LLC |
556 |
|
2025-02-27 |
|
| 254-876
| A |
WACOTXMTRS0 |
9533 SOUTHWESTERN BELL |
556 |
|
|
|
| 254-876
| 0 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
556 |
|
2011-03-12 |
|
| 254-876
| 1 |
|
9533 SOUTHWESTERN BELL |
556 |
|
|
|
| 254-876
| 2 |
|
9533 SOUTHWESTERN BELL |
556 |
|
|
|
| 254-876
| 3 |
|
9533 SOUTHWESTERN BELL |
556 |
|
|
|
| 254-876
| 4 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
556 |
|
2005-09-16 |
|
| 254-876
| 5 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
556 |
|
2011-04-03 |
|
| 254-876
| 6 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
556 |
|
2014-05-15 |
|
| 254-876
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
556 |
|
2014-05-20 |
|
| 254-876
| 8 |
|
516C AT&T CORP. |
556 |
|
2011-09-12 |
|
| 254-876
| 9 |
|
903C ONVOY, LLC - TX |
556 |
|
2014-09-01 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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