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 |
| 972-428
| 4 |
Carrollton |
TX |
DLLSTXREDS0 |
7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
552 |
|
2009-10-19 |
|
| 972-428
| 5 |
Carrollton |
TX |
DLLFTXFQDS1 |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
552 |
|
|
|
| 972-428
| 6 |
Carrollton |
TX |
DLLFTXFQDS1 |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
552 |
|
|
|
| 972-428
| 7 |
Carrollton |
TX |
IRNGTXXBXTY |
903C ONVOY, LLC - TX |
552 |
|
2008-08-29 |
|
| 972-428
| 8 |
Carrollton |
TX |
FRBRTXBLGT9 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
552 |
|
2025-01-26 |
|
| 972-428
| 9 |
Carrollton |
TX |
DLLSTX97X6X |
145J TERRA NOVA TELECOM INC. |
552 |
|
2024-12-03 |
|
| 972-429
| A |
Plano |
TX |
WYLITXXADS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-430
| A |
Blue Ridge |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-430
| 0 |
Blue Ridge |
TX |
|
515J IP HORIZON LLC |
552 |
|
2017-12-15 |
|
| 972-430
| 1 |
Blue Ridge |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2016-11-17 |
|
| 972-430
| 2 |
Blue Ridge |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2018-08-25 |
|
| 972-430
| 3 |
Blue Ridge |
TX |
DLLSTX97X1X |
073H TELNYX LLC |
552 |
|
2019-08-09 |
|
| 972-430
| 4 |
Blue Ridge |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2018-07-13 |
|
| 972-430
| 5 |
Blue Ridge |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2019-10-07 |
|
| 972-430
| 6 |
Blue Ridge |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2019-10-07 |
|
| 972-430
| 7 |
Blue Ridge |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2019-10-07 |
|
| 972-430
| 8 |
Blue Ridge |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2019-05-27 |
|
| 972-430
| 9 |
Blue Ridge |
TX |
DLLSTX97X1X |
073H TELNYX LLC |
552 |
|
2018-08-30 |
|
| 972-431
| A |
Plano |
TX |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
|
|
| 972-431
| 0 |
Plano |
TX |
DLLATX37EMD |
197D VONAGE AMERICA LLC |
552 |
|
2023-10-18 |
|
| 972-431
| 1 |
Plano |
TX |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
|
|
| 972-431
| 2 |
Plano |
TX |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
|
|
| 972-431
| 3 |
Plano |
TX |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
|
|
| 972-431
| 4 |
Plano |
TX |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
|
|
| 972-431
| 5 |
Plano |
TX |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
|
|
| 972-431
| 6 |
Plano |
TX |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
|
|
| 972-431
| 7 |
Plano |
TX |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
|
|
| 972-431
| 8 |
Plano |
TX |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
|
|
| 972-431
| 9 |
Plano |
TX |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
|
|
| 972-432
| A |
Dallas |
TX |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-432
| 0 |
Dallas |
TX |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-432
| 1 |
Dallas |
TX |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-432
| 2 |
Dallas |
TX |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-432
| 3 |
Dallas |
TX |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-432
| 4 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2007-11-07 |
|
| 972-432
| 5 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2007-11-07 |
|
| 972-432
| 6 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2007-11-07 |
|
| 972-432
| 7 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2007-11-07 |
|
| 972-432
| 8 |
Dallas |
TX |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-432
| 9 |
Dallas |
TX |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-433
| A |
Prosper |
TX |
PRSPTXFIRS2 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-433
| 0 |
Prosper |
TX |
DLLSTX97X1X |
073H TELNYX LLC |
552 |
|
2017-06-22 |
|
| 972-433
| 1 |
Prosper |
TX |
PRSPTXFIRS2 |
9533 SOUTHWESTERN BELL |
552 |
|
2017-06-21 |
|
| 972-433
| 2 |
Prosper |
TX |
DLLSTXRIY0X |
425J CSC WIRELESS, LLC |
552 |
|
2019-06-28 |
|
| 972-433
| 3 |
Prosper |
TX |
DLLSTXRIY0X |
425J CSC WIRELESS, LLC |
552 |
|
2019-06-28 |
|
| 972-433
| 4 |
Prosper |
TX |
DLLSTXRIY0X |
425J CSC WIRELESS, LLC |
552 |
|
2019-06-28 |
|
| 972-433
| 5 |
Prosper |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2020-09-18 |
|
| 972-433
| 6 |
Prosper |
TX |
DLLSTX97X1X |
073H TELNYX LLC |
552 |
|
2019-12-13 |
|
| 972-433
| 7 |
Prosper |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2020-04-29 |
|
| 972-433
| 8 |
Prosper |
TX |
|
515J IP HORIZON LLC |
552 |
|
2017-12-15 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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