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.

Plano, TX

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
972-398 A ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-403 A PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 0 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 1 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 2 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 3 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 4 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-09-28   
972-403 5 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 6 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-11-11   
972-403 7 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 8 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 9 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-412 A RWLTTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-414 A GRLDTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-422 A PLANTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-423 A PLANTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-424 A PLANTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-429 A WYLITXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-431 A FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 0 DLLATX37EMD  197D VONAGE AMERICA LLC 552   2023-10-18   
972-431 1 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 2 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 3 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 4 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 5 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 6 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 7 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 8 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 9 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-442 A WYLITXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-461 A PLANTXXADS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-463 A RWLTTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-468 A PLANTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-468 0 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-11-07   
972-468 1 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-11-07   
972-468 2 PLANTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-468 3 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2009-01-16   
972-468 4 PLANTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-468 5 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-02-23   
972-468 6 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-10-08   
972-468 7 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-02-23   
972-468 8 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-11-07   
972-468 9 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-11-07   
972-473 A PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-475 A RWLTTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-477 A DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-485 A GRLDTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-487 A GRLDTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-491 A PLANTXXKDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-494 A GRLDTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-495 A GRLDTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-496 A GRLDTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-509 A PLANTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-516 A PLANTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-517 A PLANTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-519 A PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-520 A FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-520 0 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-06-05   
972-520 1 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-06-28   
972-520 2 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-06-28   
972-520 3 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-06-28   
972-520 4 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-06-28   
972-520 5 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-06-28   
972-520 6 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-06-28   
972-520 7 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2018-06-04   
972-520 8 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2018-06-04   
972-520 9 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2018-06-04   
972-526 A ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-526 0 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2007-03-21   
972-526 1 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-11-22   
972-526 2 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-11-22   
972-526 3 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-11-22   
972-526 4 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-11-22   
972-526 5 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2007-03-21   
972-526 6 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-11-22   
972-526 7 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2007-03-21   
972-526 8 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-11-22   
972-526 9 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-11-22   
972-527 A PLANTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-530 A GRLDTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-531 A DLLSTXRIXPZ  7421 AT&T - LOCAL 552      
972-535 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 0 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 1 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 2 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 3 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2003-01-12   
972-535 5 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-09-30   
972-535 6 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-02-08   
972-535 7 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 8 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-09-24   
972-535 9 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-543 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-553 A FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
972-575 A PLANTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-577 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-578 A PLANTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-583 A ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-583 0 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-583 1 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.