Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Irving, TX

<< 1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
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 USA MOBILITY WIRELESS, INC. 552      
972-505 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-505 0 DLLTTX01DMD  5562 METROPCS, INC. 552   2006-10-02   
972-505 1 DLLTTX01DMD  5562 METROPCS, 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  5562 METROPCS, INC. 552   2006-05-08   
972-505 6 DLLTTX01DMD  5562 METROPCS, INC. 552   2007-11-12   
972-505 7 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2006-10-26   
972-505 8 DLLTTX01DMD  5562 METROPCS, INC. 552   2006-04-26   
972-505 9 DLLTTX01DMD  5562 METROPCS, 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  5562 METROPCS, INC. 552   2007-07-19   
972-510 4 DLLTTX01DMD  5562 METROPCS, 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 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-04-05   
972-510 8 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-04-05   
972-510 9 DLLTTX01DMD  5562 METROPCS, 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  5562 METROPCS, 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      
972-536 6 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 7 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 8 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 9 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-541 A IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-550 A IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-554 A IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-570 A IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-573 A IRNGTXXBXTY  903C ONVOY, LLC - TX 552      
972-573 0 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2005-11-20   
972-573 1 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2005-11-20   
972-573 2 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2005-11-20   
972-573 3 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2005-11-20   
972-573 4 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2005-11-20   
972-573 5 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2005-11-20   
972-573 6 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2005-11-20   
972-573 7 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2005-11-20   
972-573 8 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2005-11-20   
972-573 9 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2005-11-20   
972-579 A IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-580 A IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      

<< 1 2 3 4 5 6 7 8 9 10 11 >>

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.