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 |
| 972-498
| 4 |
Dallas |
TX |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 5 |
Dallas |
TX |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 6 |
Dallas |
TX |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 7 |
Dallas |
TX |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 8 |
Dallas |
TX |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-498
| 9 |
Dallas |
TX |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-499
| A |
Dallas |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 0 |
Dallas |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 1 |
Dallas |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 2 |
Dallas |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 3 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 4 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2004-04-09 |
|
| 972-499
| 5 |
Dallas |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-06-17 |
|
| 972-499
| 6 |
Dallas |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2008-04-25 |
|
| 972-499
| 7 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 8 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-499
| 9 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-500
| A |
Irving |
TX |
DLLSTX97DSS |
6630 SPOK, INC. |
552 |
|
|
|
| 972-501
| A |
Dallas |
TX |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-502
| A |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 0 |
Dallas |
TX |
DLLTTXID1MD |
5562 METROPCS, INC. |
552 |
|
2012-02-23 |
|
| 972-502
| 1 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 2 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 3 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 4 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 5 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 6 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 7 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 8 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-502
| 9 |
Dallas |
TX |
DLLSTX97DSS |
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
552 |
|
2012-04-06 |
|
| 972-503
| A |
Dallas |
TX |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-503
| 0 |
Dallas |
TX |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-503
| 1 |
Dallas |
TX |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-503
| 2 |
Dallas |
TX |
|
6529 T-MOBILE USA, INC. |
552 |
|
2018-05-25 |
|
| 972-503
| 3 |
Dallas |
TX |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-503
| 4 |
Dallas |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2014-10-18 |
|
| 972-503
| 5 |
Dallas |
TX |
|
6529 T-MOBILE USA, INC. |
552 |
|
2019-07-18 |
|
| 972-503
| 6 |
Dallas |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2018-07-15 |
|
| 972-503
| 7 |
Dallas |
TX |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-503
| 8 |
Dallas |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2016-02-15 |
|
| 972-503
| 9 |
Dallas |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2018-07-15 |
|
| 972-504
| A |
Grand Prairie |
TX |
DLLSTXGPRPA |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-504
| 0 |
Grand Prairie |
TX |
FRBRTXBLGT9 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
552 |
|
2018-09-11 |
|
| 972-504
| 1 |
Grand Prairie |
TX |
FRBRTXBLGT9 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
552 |
|
2018-09-11 |
|
| 972-504
| 2 |
Grand Prairie |
TX |
DLLSTXGPRPA |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-504
| 3 |
Grand Prairie |
TX |
FRBRTXBLGT9 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
552 |
|
2018-09-11 |
|
| 972-504
| 4 |
Grand Prairie |
TX |
FRBRTXBLGT9 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
552 |
|
2018-09-11 |
|
| 972-504
| 5 |
Grand Prairie |
TX |
DLLSTXJFDMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
552 |
|
2018-10-08 |
|
| 972-504
| 6 |
Grand Prairie |
TX |
DLLSTXGPRPA |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-504
| 7 |
Grand Prairie |
TX |
DLLSTXJFDMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
552 |
|
2018-10-08 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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