Local Calling Guide
Area code/prefix search
Dallas, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 972-501
| A |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-502
| A |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 0 |
|
5562 METROPCS, INC. |
552 |
|
2012-02-23 |
|
| 972-502
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 8 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 9 |
|
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
552 |
|
2012-04-06 |
|
| 972-503
| A |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-503
| 0 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-503
| 1 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-503
| 2 |
|
5562 METROPCS, INC. |
552 |
|
2018-05-25 |
|
| 972-503
| 3 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-503
| 4 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2014-10-18 |
|
| 972-503
| 5 |
|
5562 METROPCS, INC. |
552 |
|
2019-07-18 |
|
| 972-503
| 6 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2018-07-15 |
|
| 972-503
| 7 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-503
| 8 |
|
903C ONVOY, LLC - TX |
552 |
|
2016-02-15 |
|
| 972-503
| 9 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2018-07-15 |
|
| 972-506
| A |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-528
| A |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-528
| 0 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-06-17 |
|
| 972-528
| 1 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-528
| 2 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-528
| 3 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-528
| 4 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2011-06-19 |
|
| 972-528
| 5 |
|
903C ONVOY, LLC - TX |
552 |
|
2011-04-22 |
|
| 972-528
| 6 |
|
903C ONVOY, LLC - TX |
552 |
|
2010-04-10 |
|
| 972-528
| 7 |
|
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
552 |
|
2012-04-06 |
|
| 972-528
| 8 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-06-17 |
|
| 972-528
| 9 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-06-17 |
|
| 972-532
| A |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-532
| 0 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2011-05-22 |
|
| 972-532
| 1 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2011-05-22 |
|
| 972-532
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-532
| 3 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2011-05-22 |
|
| 972-532
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-532
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2009-07-16 |
|
| 972-532
| 6 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2011-05-22 |
|
| 972-532
| 7 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-06-17 |
|
| 972-532
| 8 |
|
903C ONVOY, LLC - TX |
552 |
|
2004-11-11 |
|
| 972-532
| 9 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2011-05-22 |
|
| 972-546
| A |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-546
| 0 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-546
| 1 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-546
| 2 |
|
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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