Local Calling Guide
Area code/prefix search
Dallas, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 972-777
| 7 |
|
473F USFON, INC. - TX |
552 |
|
2020-01-16 |
|
| 972-777
| 8 |
|
473F USFON, INC. - TX |
552 |
|
2020-01-16 |
|
| 972-777
| 9 |
|
903C ONVOY, LLC - TX |
552 |
|
2020-01-17 |
|
| 972-778
| A |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-780
| A |
DLLSTXDVDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-783
| A |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-783
| 0 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-783
| 1 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-783
| 2 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-783
| 3 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-783
| 4 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-783
| 5 |
|
624H ONVOY SPECTRUM, LLC |
552 |
|
2024-01-18 |
|
| 972-783
| 6 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-06-19 |
|
| 972-783
| 7 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-783
| 8 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-783
| 9 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-788
| A |
DLLSTXADDS1 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-789
| A |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-789
| 0 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-789
| 1 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-789
| 2 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-789
| 3 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-789
| 4 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-789
| 5 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-789
| 6 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-789
| 7 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-06-19 |
|
| 972-789
| 8 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-789
| 9 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-792
| A |
DLLSTXRNDS1 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-792
| 0 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-792
| 1 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-792
| 2 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-792
| 3 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-792
| 4 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-792
| 5 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-792
| 6 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-792
| 7 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-792
| 8 |
|
5562 METROPCS, INC. |
552 |
|
2020-01-07 |
|
| 972-792
| 9 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2018-07-15 |
|
| 972-794
| A |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-803
| A |
DLLSTXJFPS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-803
| 0 |
|
5562 METROPCS, INC. |
552 |
|
2011-03-24 |
|
| 972-803
| 1 |
|
516C AT&T CORP. |
552 |
|
2010-09-14 |
|
| 972-803
| 2 |
|
5562 METROPCS, INC. |
552 |
|
2011-03-24 |
|
| 972-803
| 3 |
|
516C AT&T CORP. |
552 |
|
2010-09-14 |
|
| 972-803
| 4 |
|
516C AT&T CORP. |
552 |
|
2010-06-01 |
|
| 972-803
| 5 |
|
516C AT&T CORP. |
552 |
|
2010-03-02 |
|
| 972-803
| 6 |
|
516C AT&T CORP. |
552 |
|
2010-03-02 |
|
| 972-803
| 7 |
|
5562 METROPCS, INC. |
552 |
|
2011-03-24 |
|
| 972-803
| 8 |
|
516C AT&T CORP. |
552 |
|
2010-08-05 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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