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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-800 9 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-04   
972-801 A Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-801 0 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-801 1 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-801 2 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-801 3 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-801 4 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-801 5 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-801 6 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-801 7 Plano TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-22   
972-801 8 Plano TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-22   
972-801 9 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-802 A Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
972-802 0 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2012-11-16   
972-802 1 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2012-11-16   
972-802 2 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2012-11-16   
972-802 3 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2012-11-16   
972-802 4 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2012-11-16   
972-802 5 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2012-11-16   
972-802 6 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2012-11-16   
972-802 7 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2012-11-16   
972-802 8 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2012-11-16   
972-802 9 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2012-11-16   
972-803 A Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-803 0 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-24   
972-803 1 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552   2010-09-14   
972-803 2 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-24   
972-803 3 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552   2010-09-14   
972-803 4 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552   2010-06-01   
972-803 5 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552   2010-03-02   
972-803 6 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552   2010-03-02   
972-803 7 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-24   
972-803 8 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552   2010-08-05   
972-803 9 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-804 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-804 0 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2008-02-04   
972-804 1 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-07-22   
972-804 2 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-09-09   
972-804 3 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-09-09   
972-804 4 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-09-09   
972-804 5 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-07-28   
972-804 6 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-07-28   
972-804 7 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-07-28   
972-804 8 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-07-28   
972-804 9 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-11-06   
972-805 A Plano TX DLLATX37YMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      
972-805 0 Plano TX DLLATX37YMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      
972-805 1 Plano TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-805 2 Plano TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-805 3 Plano TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-22   
972-805 4 Plano TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-805 5 Plano TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-805 6 Plano TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-22   
972-805 7 Plano TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-22   
972-805 8 Plano TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-805 9 Plano TX DLLATX37YMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      
972-806 A Plano TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-806 0 Plano TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2017-07-29   
972-806 1 Plano TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2017-07-29   
972-806 2 Plano TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2017-07-29   
972-806 3 Plano TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2017-05-01   
972-806 4 Plano TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2017-05-01   
972-806 5 Plano TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2017-05-01   
972-806 6 Plano TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2017-05-01   
972-806 7 Plano TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2017-05-01   
972-806 8 Plano TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2017-05-01   
972-806 9 Plano TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2017-05-01   
972-807 A Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-807 0 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-11-21   
972-807 1 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-807 2 Dallas TX DLLSTXRIXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2011-05-23   
972-807 3 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-11-18   
972-807 4 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-807 5 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-11-18   
972-807 6 Dallas TX DLLSTXRIXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2011-05-23   
972-807 7 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2011-01-28   
972-807 8 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2011-01-28   
972-807 9 Dallas TX DLLSTXRIXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2011-05-23   
972-808 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-808 0 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-12-19   
972-808 1 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-808 2 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-808 4 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-808 5 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-808 6 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-11-21   
972-808 7 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-09-07   
972-808 8 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-808 9 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-809 A Grand Prairie TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-809 0 Grand Prairie TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-03-12   
972-809 1 Grand Prairie TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-809 2 Grand Prairie TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-809 3 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-06-13   
972-809 4 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-06-13   
972-809 5 Grand Prairie TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-809 6 Grand Prairie TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-03-12   
972-809 7 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2004-05-16   
972-809 8 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2004-05-16   
972-809 9 Grand Prairie TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-03-12   
972-810 A Carrollton TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 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 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.