Local Calling Guide
Area code/prefix search
Dallas, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 972-481
| 6 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-481
| 7 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-481
| 8 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-481
| 9 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-484
| A |
DLLSTXFBDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-488
| A |
DLLSTXFBDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-488
| 0 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-488
| 1 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-488
| 2 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-488
| 3 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-488
| 4 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-488
| 5 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-488
| 6 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-488
| 7 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-488
| 8 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-488
| 9 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-06-11 |
|
| 972-490
| A |
DLLSTXADDS1 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-497
| A |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-497
| 0 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-497
| 1 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-497
| 2 |
|
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
552 |
|
2012-04-06 |
|
| 972-497
| 3 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-497
| 4 |
|
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
2012-01-16 |
|
| 972-497
| 5 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-497
| 6 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-497
| 7 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-497
| 8 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-497
| 9 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| A |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 0 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 1 |
|
903C ONVOY, LLC - TX |
552 |
|
2008-04-25 |
|
| 972-498
| 2 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 3 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 4 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 5 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 6 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 7 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 8 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 9 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-499
| A |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 0 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 1 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 2 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 3 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 4 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2004-04-09 |
|
| 972-499
| 5 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-06-17 |
|
| 972-499
| 6 |
|
903C ONVOY, LLC - TX |
552 |
|
2008-04-25 |
|
| 972-499
| 7 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 8 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 9 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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