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.

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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-755 9 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-09-10   
972-756 A Irving TX IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-757 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-758 A Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-759 A Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-760 A Grand Prairie EMS TX DLLSTXJP2MD  6630 USA MOBILITY WIRELESS, INC. 552      
972-761 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-761 0 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-761 1 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-03   
972-761 2 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-761 3 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-03   
972-761 4 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-761 5 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2019-04-29   
972-761 6 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-761 7 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-761 8 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-761 9 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-762 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-762 0 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-17   
972-762 1 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-17   
972-762 2 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-17   
972-762 3 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-17   
972-762 4 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-17   
972-762 5 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-17   
972-762 6 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-17   
972-762 7 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-17   
972-762 8 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-17   
972-762 9 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-11-06   
972-763 A Dallas TX DLLSTXADDS1  9533 SOUTHWESTERN BELL 552      
972-763 0 Dallas TX DLLSTXADDS1  9533 SOUTHWESTERN BELL 552      
972-763 1 Dallas TX DLLSTXADDS1  9533 SOUTHWESTERN BELL 552      
972-763 2 Dallas TX DLLSTXADDS1  9533 SOUTHWESTERN BELL 552      
972-763 3 Dallas TX DLLSTXADDS1  9533 SOUTHWESTERN BELL 552      
972-763 4 Dallas TX DLLSTXADDS1  9533 SOUTHWESTERN BELL 552      
972-763 5 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-11-27   
972-763 6 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-24   
972-763 7 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-12-19   
972-763 8 Dallas TX DLLSTXHM0MD  829J PAETEC ITEL, LLC 552   2011-06-10   
972-763 9 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-06-19   
972-764 A Dallas TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-764 0 Dallas TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-764 1 Dallas TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-764 2 Dallas TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-764 3 Dallas TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-764 4 Dallas TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-764 5 Dallas TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-764 6 Dallas TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-764 7 Dallas TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-764 8 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-08-01   
972-764 9 Dallas TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-765 A Cedar Hill TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-765 0 Cedar Hill TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-05-02   
972-765 1 Cedar Hill TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-05-02   
972-765 2 Cedar Hill TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-05-02   
972-765 3 Cedar Hill TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-05-02   
972-765 4 Cedar Hill TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-05-02   
972-765 5 Cedar Hill TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-05-02   
972-765 6 Cedar Hill TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-05-02   
972-765 7 Cedar Hill TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-05-02   
972-765 8 Cedar Hill TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-05-02   
972-765 9 Cedar Hill TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-05-02   
972-766 A Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-767 A Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-767 0 Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-767 1 Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-12-19   
972-767 2 Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-767 3 Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-12-19   
972-767 4 Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-12-19   
972-767 5 Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-12-19   
972-767 6 Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-09-19   
972-767 7 Plano TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2007-12-15   
972-767 8 Plano TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2008-05-23   
972-767 9 Plano TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-02-21   
972-768 A Grand Prairie EMS TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
972-769 A Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 0 Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 1 Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 2 Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 3 Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2008-11-29   
972-769 4 Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 5 Plano TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-07-05   
972-769 6 Plano TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-07-05   
972-769 7 Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 8 Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 9 Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-770 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-771 A Rockwall EACS TX RKWLTXPADS0  9533 SOUTHWESTERN BELL 552      
972-772 A Rockwall EACS TX RKWLTXPADS0  9533 SOUTHWESTERN BELL 552      
972-773 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-773 0 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-773 1 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-773 2 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-773 3 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-19   
972-773 4 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2011-07-07   
972-773 5 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-773 6 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-773 7 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-773 8 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-19   
972-773 9 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552   2011-05-02   
972-774 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      

<< 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 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.