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 |
| 972-544
| A |
Ferris |
TX |
FRRSTXXADS0 |
2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-544
| 0 |
Ferris |
TX |
DLLSTX97X1X |
073H TELNYX LLC |
552 |
|
2017-06-19 |
|
| 972-544
| 1 |
Ferris |
TX |
DLLSTX97DSS |
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
552 |
|
2018-12-19 |
|
| 972-544
| 2 |
Ferris |
TX |
FRRSTXXADS0 |
2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-544
| 3 |
Ferris |
TX |
FRRSTXXADS0 |
2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-544
| 4 |
Ferris |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2012-07-06 |
|
| 972-544
| 5 |
Ferris |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2018-07-17 |
|
| 972-544
| 6 |
Ferris |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2014-05-01 |
|
| 972-544
| 7 |
Ferris |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2006-09-22 |
|
| 972-544
| 8 |
Ferris |
TX |
FRRSTXXADS0 |
2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-544
| 9 |
Ferris |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2019-06-01 |
|
| 972-545
| A |
Irving EMS |
TX |
DLLSTX97DSS |
6630 SPOK, INC. |
552 |
|
|
|
| 972-546
| A |
Dallas |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-546
| 0 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-546
| 1 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-546
| 2 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-546
| 3 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-546
| 4 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-546
| 5 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-546
| 6 |
Dallas |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-546
| 7 |
Dallas |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2009-10-05 |
|
| 972-546
| 8 |
Dallas |
TX |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-06-11 |
|
| 972-546
| 9 |
Dallas |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 972-547
| A |
McKinney |
TX |
MCKNTXLIDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-548
| A |
McKinney |
TX |
MCKNTXLIDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-549
| A |
McKinney EMS |
TX |
FRSCTXBJPS0 |
7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
552 |
|
|
|
| 972-550
| A |
Irving |
TX |
IRNGTXXGDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-551
| A |
Terrell |
TX |
TRRLTXJODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-551
| 0 |
Terrell |
TX |
TRRLTXJODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-551
| 1 |
Terrell |
TX |
TRRLTXJODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-551
| 2 |
Terrell |
TX |
TRRLTXJODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-551
| 3 |
Terrell |
TX |
TRRLTXJODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-551
| 4 |
Terrell |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2015-12-10 |
|
| 972-551
| 5 |
Terrell |
TX |
TRRLTXJODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-551
| 6 |
Terrell |
TX |
TRRLTXJODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-551
| 7 |
Terrell |
TX |
TRRLTXJODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-551
| 8 |
Terrell |
TX |
TRRLTXJODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-551
| 9 |
Terrell |
TX |
DLLTTXID1MD |
6529 T-MOBILE USA, INC. |
552 |
|
2012-12-21 |
|
| 972-552
| A |
Forney |
TX |
FRNYTXHIRS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-552
| 0 |
Forney |
TX |
DLLTTXID1MD |
6529 T-MOBILE USA, INC. |
552 |
|
2012-02-04 |
|
| 972-552
| 1 |
Forney |
TX |
FRNYTXHIRS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-552
| 2 |
Forney |
TX |
FRNYTXHIRS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-552
| 3 |
Forney |
TX |
FRNYTXHIRS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-552
| 4 |
Forney |
TX |
DLLTTXID1MD |
6529 T-MOBILE USA, INC. |
552 |
|
2012-08-28 |
|
| 972-552
| 5 |
Forney |
TX |
FRNYTXHIRS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-552
| 6 |
Forney |
TX |
FTWOTXEDX1Z |
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
2009-07-03 |
|
| 972-552
| 7 |
Forney |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2008-08-02 |
|
| 972-552
| 8 |
Forney |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2004-04-04 |
|
| 972-552
| 9 |
Forney |
TX |
FRNYTXHIRS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-553
| A |
Plano |
TX |
FRSCTXBJPS0 |
7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
552 |
|
|
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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