Local Calling Guide
Area code/prefix search
Irving, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 972-281
| 6 |
IRNGTXXEDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-281
| 7 |
FRBRTXBLGT9 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
552 |
|
2006-09-27 |
|
| 972-281
| 8 |
IRNGTXXEDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-281
| 9 |
FRBRTXBLGT9 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
552 |
|
2007-04-05 |
|
| 972-313
| A |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-313
| 0 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-313
| 1 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-313
| 2 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-313
| 3 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-313
| 4 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-313
| 5 |
FRBRTXBLGT9 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
552 |
|
2006-03-10 |
|
| 972-313
| 6 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-313
| 7 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-313
| 8 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-313
| 9 |
IRNGTXXDDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-374
| A |
DLLSTXJFPS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-374
| 0 |
DLLSTXJFPS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-374
| 1 |
DLLSTXJFPS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-374
| 2 |
DLLSTXJFPS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-374
| 3 |
DLLSTXJFPS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-374
| 4 |
DLLSTXJFPS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-374
| 5 |
DLLSTXJFPS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-374
| 6 |
DLLTTX01DMD |
5562 METROPCS, INC. |
552 |
|
2008-02-24 |
|
| 972-374
| 7 |
DLLTTX01DMD |
5562 METROPCS, INC. |
552 |
|
2006-04-11 |
|
| 972-374
| 8 |
DLLTTX01DMD |
5562 METROPCS, INC. |
552 |
|
2006-04-11 |
|
| 972-374
| 9 |
DLLSTXJFPS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-438
| A |
IRNGTXXCDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-457
| A |
IRNGTXXBXTY |
903C ONVOY, LLC - TX |
552 |
|
|
|
| 972-457
| 0 |
|
793K TWC IP ENABLED SERVICES, LLC |
552 |
|
2014-12-07 |
|
| 972-457
| 1 |
IRNGTXXBXTY |
903C ONVOY, LLC - TX |
552 |
|
2012-06-24 |
|
| 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 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2006-10-02 |
|
| 972-505
| 1 |
|
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 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2006-05-08 |
|
| 972-505
| 6 |
|
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 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2006-04-26 |
|
| 972-505
| 9 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2007-11-12 |
|
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Last updated: Sat, 02 May 2026 12:20:53 UTC
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