Local Calling Guide
Area code/prefix search
Dallas, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 972-619
| 7 |
|
903C ONVOY, LLC - TX |
552 |
|
2011-04-26 |
|
| 972-619
| 8 |
|
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-619
| 9 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2011-05-22 |
|
| 972-620
| A |
DLLSTXFBDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-628
| A |
DLLSTXADDS1 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-628
| 0 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-08-26 |
|
| 972-628
| 1 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-628
| 2 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-628
| 3 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-628
| 4 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-628
| 5 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-628
| 6 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-628
| 7 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-628
| 8 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-628
| 9 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-629
| A |
DLLBTXPVDS0 |
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-629
| 0 |
|
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-629
| 1 |
|
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-629
| 2 |
|
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-629
| 3 |
|
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-629
| 4 |
|
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-629
| 5 |
|
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-629
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2011-07-07 |
|
| 972-629
| 7 |
|
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-629
| 8 |
|
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-629
| 9 |
|
516C AT&T CORP. |
552 |
|
2012-01-11 |
|
| 972-630
| A |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-630
| 0 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-08-26 |
|
| 972-630
| 1 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-630
| 2 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-630
| 3 |
|
903C ONVOY, LLC - TX |
552 |
|
2010-02-03 |
|
| 972-630
| 4 |
|
903C ONVOY, LLC - TX |
552 |
|
2010-02-03 |
|
| 972-630
| 5 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-630
| 6 |
|
903C ONVOY, LLC - TX |
552 |
|
2008-10-09 |
|
| 972-630
| 7 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-630
| 8 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-08-26 |
|
| 972-630
| 9 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-08-26 |
|
| 972-638
| A |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-638
| 0 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2012-08-16 |
|
| 972-638
| 1 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-638
| 2 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-638
| 3 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-638
| 4 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-638
| 5 |
|
829J PAETEC ITEL, LLC |
552 |
|
2010-09-20 |
|
| 972-638
| 6 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-638
| 7 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-10-28 |
|
| 972-638
| 8 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2011-01-15 |
|
| 972-638
| 9 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2012-08-16 |
|
| 972-643
| A |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-643
| 0 |
|
9533 SOUTHWESTERN BELL |
552 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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