Local Calling Guide
Area code/prefix search
NPA: 972
[Rate centres in NPA 972]
[Dial plan for NPA 972]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 972-643
| 6 |
Dallas |
TX |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-643
| 7 |
Dallas |
TX |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-643
| 8 |
Dallas |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2012-08-16 |
|
| 972-643
| 9 |
Dallas |
TX |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-644
| A |
Dallas |
TX |
DLLSTXRNDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-645
| A |
Italy |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-645
| 0 |
Italy |
TX |
DLLSTX97DSS |
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
552 |
|
2019-06-27 |
|
| 972-645
| 1 |
Italy |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2018-03-08 |
|
| 972-645
| 2 |
Italy |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2019-10-07 |
|
| 972-645
| 3 |
Italy |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2019-10-07 |
|
| 972-645
| 4 |
Italy |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2019-10-07 |
|
| 972-645
| 5 |
Italy |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2020-02-10 |
|
| 972-645
| 6 |
Italy |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2018-07-26 |
|
| 972-645
| 7 |
Italy |
TX |
DLLSTX97DSS |
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
552 |
|
2019-10-30 |
|
| 972-645
| 8 |
Italy |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2019-12-14 |
|
| 972-645
| 9 |
Italy |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2020-02-10 |
|
| 972-646
| A |
Bardwell |
TX |
BRWLTXXARS0 |
2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-646
| 0 |
Bardwell |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2009-03-12 |
|
| 972-646
| 1 |
Bardwell |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-02-27 |
|
| 972-646
| 2 |
Bardwell |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2008-02-12 |
|
| 972-646
| 3 |
Bardwell |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2005-09-10 |
|
| 972-646
| 4 |
Bardwell |
TX |
BRWLTXXARS0 |
2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-646
| 5 |
Bardwell |
TX |
BRWLTXXARS0 |
2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-646
| 6 |
Bardwell |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2003-06-17 |
|
| 972-646
| 7 |
Bardwell |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2008-02-12 |
|
| 972-646
| 8 |
Bardwell |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2009-03-07 |
|
| 972-646
| 9 |
Bardwell |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2008-10-07 |
|
| 972-647
| A |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-648
| A |
Grand Prairie EMS |
TX |
DLLSTXRIXIZ |
9748 AMERICAN MESSAGING SERVICES, LLC |
552 |
|
|
|
| 972-649
| A |
Allen |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-649
| 0 |
Allen |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-649
| 1 |
Allen |
TX |
ALLNTXSADS0 |
9533 SOUTHWESTERN BELL |
552 |
|
2008-07-20 |
|
| 972-649
| 2 |
Allen |
TX |
FTWOTXEDX1Z |
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
2005-01-17 |
|
| 972-649
| 3 |
Allen |
TX |
ALLNTXSADS0 |
9533 SOUTHWESTERN BELL |
552 |
|
2008-07-20 |
|
| 972-649
| 4 |
Allen |
TX |
RCSNTXHVBMD |
516C AT&T CORP. |
552 |
|
2014-08-20 |
|
| 972-649
| 5 |
Allen |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-649
| 6 |
Allen |
TX |
ALLNTXSADS0 |
9533 SOUTHWESTERN BELL |
552 |
|
2008-02-15 |
|
| 972-649
| 7 |
Allen |
TX |
ALLNTXSADS0 |
9533 SOUTHWESTERN BELL |
552 |
|
2008-02-15 |
|
| 972-649
| 8 |
Allen |
TX |
DLLBTXPVDS0 |
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
2010-09-06 |
|
| 972-649
| 9 |
Allen |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-650
| A |
Irving |
TX |
IRNGTXXEDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-651
| A |
Rockwall |
TX |
FRSCTXBJPS0 |
7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
552 |
|
|
|
| 972-652
| A |
Irving |
TX |
IRNGTXXEDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-652
| 0 |
Irving |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-10-28 |
|
| 972-652
| 1 |
Irving |
TX |
IRNGTXXEDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-652
| 2 |
Irving |
TX |
DLLSTXNODS0 |
7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
552 |
|
2009-10-06 |
|
| 972-652
| 3 |
Irving |
TX |
DLLSTXNODS0 |
7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
552 |
|
2008-01-03 |
|
| 972-652
| 4 |
Irving |
TX |
IRNGTXXEDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-652
| 5 |
Irving |
TX |
IRNGTXXEDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-652
| 6 |
Irving |
TX |
IRNGTXXEDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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