Local Calling Guide
Area code/prefix search
NPA: 972
[Rate centres in NPA 972]
[Dial plan for NPA 972]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 972-441
| 1 |
Wilmer EMS |
TX |
DLLSTX97DSU |
951G INTEGRATED PATH COMMUNICATIONS, LLC - TX |
552 |
|
2014-09-20 |
|
| 972-441
| 2 |
Wilmer EMS |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2012-01-13 |
|
| 972-441
| 3 |
Wilmer EMS |
TX |
WLMRTXXADS0 |
2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-441
| 4 |
Wilmer EMS |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2006-09-25 |
|
| 972-441
| 5 |
Wilmer EMS |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2012-03-12 |
|
| 972-441
| 6 |
Wilmer EMS |
TX |
WLMRTXXADS0 |
2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-441
| 7 |
Wilmer EMS |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2012-07-06 |
|
| 972-441
| 8 |
Wilmer EMS |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2013-02-15 |
|
| 972-441
| 9 |
Wilmer EMS |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
552 |
|
2016-09-09 |
|
| 972-442
| A |
Plano |
TX |
WYLITXXADS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-443
| A |
Dallas |
TX |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-444
| A |
Dallas |
TX |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-445
| A |
Irving EMS |
TX |
IRNGTXXCDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-445
| 0 |
Irving EMS |
TX |
IRNGTXXCDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-445
| 1 |
Irving EMS |
TX |
IRNGTXXCDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-445
| 2 |
Irving EMS |
TX |
IRNGTXXCDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-445
| 3 |
Irving EMS |
TX |
IRNGTXXCDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-445
| 4 |
Irving EMS |
TX |
IRNGTXXCDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-445
| 5 |
Irving EMS |
TX |
IRNGTXXCDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-445
| 6 |
Irving EMS |
TX |
IRNGTXXCDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-445
| 7 |
Irving EMS |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2011-05-15 |
|
| 972-445
| 8 |
Irving EMS |
TX |
IRNGTXXCDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-445
| 9 |
Irving EMS |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2011-05-15 |
|
| 972-446
| A |
Carrollton |
TX |
CRTNTXXADS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-447
| A |
Dallas |
TX |
DLLSTXREDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-447
| 0 |
Dallas |
TX |
DLLSTXREDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-447
| 1 |
Dallas |
TX |
DLLSTXREDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-447
| 2 |
Dallas |
TX |
DLLSTXREDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-447
| 3 |
Dallas |
TX |
DLLSTXREDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-447
| 4 |
Dallas |
TX |
DLLSTXREDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-447
| 5 |
Dallas |
TX |
DLLSTXREDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-447
| 6 |
Dallas |
TX |
DLLSTXREDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-447
| 7 |
Dallas |
TX |
DLLSTXTAXTZ |
624H ONVOY SPECTRUM, LLC |
552 |
|
2021-12-19 |
|
| 972-447
| 8 |
Dallas |
TX |
DLLSTXREDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-447
| 9 |
Dallas |
TX |
DLLSTXREDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-448
| A |
Dallas |
TX |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-449
| A |
Palmer |
TX |
PLMRTXXARS0 |
2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-449
| 0 |
Palmer |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2014-10-11 |
|
| 972-449
| 1 |
Palmer |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2012-12-16 |
|
| 972-449
| 2 |
Palmer |
TX |
PLMRTXXARS0 |
2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-449
| 3 |
Palmer |
TX |
PLMRTXXARS0 |
2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-449
| 4 |
Palmer |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2012-12-16 |
|
| 972-449
| 5 |
Palmer |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2012-12-16 |
|
| 972-449
| 6 |
Palmer |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2012-12-16 |
|
| 972-449
| 7 |
Palmer |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2013-12-09 |
|
| 972-449
| 8 |
Palmer |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2013-12-09 |
|
| 972-449
| 9 |
Palmer |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2016-04-11 |
|
| 972-450
| A |
Dallas |
TX |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-451
| A |
Grand Prairie |
TX |
DLLSTXJP2MD |
6630 SPOK, INC. |
552 |
|
|
|
| 972-452
| A |
Scurry |
TX |
SCRYTXXADS0 |
2153 TEXAS WINDSTREAM, LLC |
552 |
|
|
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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