Local Calling Guide
Area code/prefix search
Irving, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 972-457
| 2 |
IRNGTXXBXTY |
903C ONVOY, LLC - TX |
552 |
|
2012-06-24 |
|
| 972-457
| 3 |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2013-11-10 |
|
| 972-457
| 4 |
DLLFTXFQDS1 |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
552 |
|
2013-09-26 |
|
| 972-457
| 5 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2013-07-22 |
|
| 972-457
| 6 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2013-07-22 |
|
| 972-457
| 7 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2013-07-22 |
|
| 972-457
| 8 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2013-07-22 |
|
| 972-457
| 9 |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
2014-02-18 |
|
| 972-500
| A |
DLLSTX97DSS |
6630 SPOK, INC. |
552 |
|
|
|
| 972-505
| A |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-505
| 0 |
DLLTTX01DMD |
6529 T-MOBILE USA, INC. |
552 |
|
2006-10-02 |
|
| 972-505
| 1 |
DLLTTX01DMD |
6529 T-MOBILE USA, INC. |
552 |
|
2006-10-02 |
|
| 972-505
| 2 |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2006-06-26 |
|
| 972-505
| 3 |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2006-06-26 |
|
| 972-505
| 4 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-505
| 5 |
DLLTTX01DMD |
6529 T-MOBILE USA, INC. |
552 |
|
2006-05-08 |
|
| 972-505
| 6 |
DLLTTX01DMD |
6529 T-MOBILE USA, INC. |
552 |
|
2007-11-12 |
|
| 972-505
| 7 |
DLLSTXNODS0 |
7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
552 |
|
2006-10-26 |
|
| 972-505
| 8 |
DLLTTX01DMD |
6529 T-MOBILE USA, INC. |
552 |
|
2006-04-26 |
|
| 972-505
| 9 |
DLLTTX01DMD |
6529 T-MOBILE USA, INC. |
552 |
|
2007-11-12 |
|
| 972-510
| A |
FTWOTXEDX1Z |
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-510
| 0 |
FTWOTXEDX1Z |
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-510
| 1 |
FTWOTXEDX1Z |
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-510
| 2 |
FTWOTXEDX1Z |
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-510
| 3 |
DLLTTX01DMD |
6529 T-MOBILE USA, INC. |
552 |
|
2007-07-19 |
|
| 972-510
| 4 |
DLLTTX01DMD |
6529 T-MOBILE USA, INC. |
552 |
|
2007-07-19 |
|
| 972-510
| 5 |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2009-11-20 |
|
| 972-510
| 6 |
FTWOTXEDX1Z |
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 972-510
| 7 |
IRNGTXXBXZX |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
552 |
|
2007-04-05 |
|
| 972-510
| 8 |
IRNGTXXBXZX |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
552 |
|
2007-04-05 |
|
| 972-510
| 9 |
DLLTTX01DMD |
6529 T-MOBILE USA, INC. |
552 |
|
2007-07-19 |
|
| 972-513
| A |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-513
| 0 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-513
| 1 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-513
| 2 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-513
| 3 |
DLLTTX01DMD |
5562 METROPCS, INC. |
552 |
|
2006-08-28 |
|
| 972-513
| 4 |
DLLTTX01DMD |
5562 METROPCS, INC. |
552 |
|
2009-03-05 |
|
| 972-513
| 5 |
DLLTTX01DMD |
5562 METROPCS, INC. |
552 |
|
2006-08-28 |
|
| 972-513
| 6 |
DLLTTX01DMD |
5562 METROPCS, INC. |
552 |
|
2006-08-28 |
|
| 972-513
| 7 |
DLLTTX01DMD |
5562 METROPCS, INC. |
552 |
|
2006-08-28 |
|
| 972-513
| 8 |
DLLTTX01DMD |
5562 METROPCS, INC. |
552 |
|
2009-02-20 |
|
| 972-513
| 9 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-518
| A |
IRNGTXXGDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-536
| A |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-536
| 0 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-536
| 1 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-536
| 2 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-536
| 3 |
DLLTTX01DMD |
6529 T-MOBILE USA, INC. |
552 |
|
2007-03-19 |
|
| 972-536
| 4 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-536
| 5 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
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Last updated: Tue, 01 Sep 2026 00:40:05 UTC
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