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 99 100 101 102 103 104 105 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 972-603
| 1 |
Grand Prairie |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-603
| 2 |
Grand Prairie |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-603
| 3 |
Grand Prairie |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-603
| 4 |
Grand Prairie |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-603
| 5 |
Grand Prairie |
TX |
DLLTTXID1MD |
6529 T-MOBILE USA, INC. |
552 |
|
2004-03-28 |
|
| 972-603
| 6 |
Grand Prairie |
TX |
DLLTTXID1MD |
6529 T-MOBILE USA, INC. |
552 |
|
2004-03-28 |
|
| 972-603
| 7 |
Grand Prairie |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-603
| 8 |
Grand Prairie |
TX |
DLLTTXID1MD |
6529 T-MOBILE USA, INC. |
552 |
|
2004-03-28 |
|
| 972-603
| 9 |
Grand Prairie |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-604
| A |
Plano |
TX |
PLANTXXDDS1 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-605
| A |
Plano |
TX |
PLANTXXDDS1 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-606
| A |
Grand Prairie |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-607
| A |
Irving |
TX |
IRNGTXXADS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-607
| 0 |
Irving |
TX |
DLLTTX01DMD |
5562 METROPCS, INC. |
552 |
|
2008-02-24 |
|
| 972-607
| 1 |
Irving |
TX |
IRNGTXXADS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-607
| 2 |
Irving |
TX |
IRNGTXXADS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-607
| 3 |
Irving |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2005-01-24 |
|
| 972-607
| 4 |
Irving |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2005-02-16 |
|
| 972-607
| 5 |
Irving |
TX |
DLLTTX01DMD |
5562 METROPCS, INC. |
552 |
|
2007-01-12 |
|
| 972-607
| 6 |
Irving |
TX |
DLLTTX01DMD |
5562 METROPCS, INC. |
552 |
|
2007-01-12 |
|
| 972-607
| 7 |
Irving |
TX |
DLLSTXNODS0 |
7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
552 |
|
2002-10-13 |
|
| 972-607
| 8 |
Irving |
TX |
DLLSTXNODS0 |
7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
552 |
|
2002-10-13 |
|
| 972-607
| 9 |
Irving |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2005-02-16 |
|
| 972-608
| A |
Plano |
TX |
PLANTXXDDS1 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-608
| 0 |
Plano |
TX |
PLANTXXDDS1 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-608
| 1 |
Plano |
TX |
PLANTXXDDS1 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-608
| 2 |
Plano |
TX |
PLANTXXDDS1 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-608
| 3 |
Plano |
TX |
IRNGTXXBXTY |
903C ONVOY, LLC - TX |
552 |
|
2008-02-20 |
|
| 972-608
| 4 |
Plano |
TX |
PLANTXXDDS1 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-608
| 5 |
Plano |
TX |
PLANTXXDDS1 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-608
| 6 |
Plano |
TX |
PLANTXXDDS1 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-608
| 7 |
Plano |
TX |
DLLSTXJFPS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2008-10-06 |
|
| 972-608
| 8 |
Plano |
TX |
PLANTXXDDS1 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-608
| 9 |
Plano |
TX |
PLANTXXDDS1 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-609
| A |
Grand Prairie |
TX |
DLLSTXJP2MD |
6630 SPOK, INC. |
552 |
|
|
|
| 972-612
| A |
Plano |
TX |
PLANTXXBDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-613
| A |
Dallas |
TX |
DLLSTXNMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-613
| 0 |
Dallas |
TX |
DLLSTXNMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-613
| 1 |
Dallas |
TX |
DLLSTXNMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-613
| 2 |
Dallas |
TX |
DLLSTXNMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-613
| 3 |
Dallas |
TX |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-06-11 |
|
| 972-613
| 4 |
Dallas |
TX |
DLLSTXNMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-613
| 5 |
Dallas |
TX |
DLLSTXNMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-613
| 6 |
Dallas |
TX |
DLLSTXNMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-613
| 7 |
Dallas |
TX |
DLLSTXNMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-613
| 8 |
Dallas |
TX |
DLLSTXNMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-613
| 9 |
Dallas |
TX |
DLLSTXNMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-614
| A |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-614
| 0 |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-614
| 1 |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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