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
972-725 3 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-725 4 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-725 5 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-725 6 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-725 7 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-05-14   
972-725 8 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-11-03   
972-725 9 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-726 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-727 A Allen EACS TX ALLNTXSADS0  9533 SOUTHWESTERN BELL 552      
972-728 A Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 A Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 0 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2012-02-23   
972-729 1 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 2 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 3 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 4 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 5 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 6 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 7 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 8 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-11-03   
972-729 9 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-09-10   
972-730 A Grand Prairie TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-730 0 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-03-22   
972-730 1 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-03-22   
972-730 2 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-03-22   
972-730 3 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-03-22   
972-730 4 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-03-22   
972-730 5 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-04-10   
972-730 6 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-04-10   
972-730 7 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-04-10   
972-730 8 Grand Prairie TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-730 9 Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-06-01   
972-731 A Frisco EACS TX FRSCTXESDS0  9533 SOUTHWESTERN BELL 552      
972-732 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-733 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-733 0 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-733 1 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-733 2 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-733 3 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-733 4 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-733 5 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-733 6 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-733 7 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-733 8 Dallas TX   145J TERRA NOVA TELECOM INC. 552   2021-01-30   
972-733 9 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-734 A Princeton EMS TX PRTNTXRERS0  9533 SOUTHWESTERN BELL 552      
972-734 0 Princeton EMS TX   515J IP HORIZON LLC 552   2017-12-15   
972-734 1 Princeton EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2014-01-18   
972-734 2 Princeton EMS TX PRTNTXRERS0  9533 SOUTHWESTERN BELL 552      
972-734 3 Princeton EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-09-18   
972-734 5 Princeton EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2008-08-02   
972-734 6 Princeton EMS TX PRTNTXRERS0  9533 SOUTHWESTERN BELL 552      
972-734 7 Princeton EMS TX DLLSTXHW6MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 552   2010-12-23   
972-734 8 Princeton EMS TX DLLSTXBKDS0  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-09-17   
972-734 9 Princeton EMS TX RCSNTXHVBMD  516C AT&T CORP. 552   2010-11-29   
972-735 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-736 A Princeton TX PRTNTXRERS0  9533 SOUTHWESTERN BELL 552      
972-736 0 Princeton TX   793K TWC IP ENABLED SERVICES, LLC 552   2018-07-13   
972-736 1 Princeton TX PRTNTXRERS0  9533 SOUTHWESTERN BELL 552      
972-736 2 Princeton TX PRTNTXRERS0  9533 SOUTHWESTERN BELL 552      
972-736 3 Princeton TX PRTNTXRERS0  9533 SOUTHWESTERN BELL 552      
972-736 4 Princeton TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-06   
972-736 5 Princeton TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-06   
972-736 6 Princeton TX PRTNTXRERS0  9533 SOUTHWESTERN BELL 552      
972-736 7 Princeton TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-05-15   
972-736 8 Princeton TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-22   
972-736 9 Princeton TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-22   
972-737 A Allen TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-737 0 Allen TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2015-05-11   
972-737 1 Allen TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2015-06-13   
972-737 2 Allen TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-05-10   
972-737 3 Allen TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2015-01-17   
972-737 4 Allen TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-03-03   
972-737 5 Allen TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-03-03   
972-737 6 Allen TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2016-11-09   
972-737 7 Allen TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-01-14   
972-737 8 Allen TX   515J IP HORIZON LLC 552   2016-03-28   
972-737 9 Allen TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2015-06-13   
972-738 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-738 0 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-738 1 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-11-03   
972-738 2 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-738 3 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-738 4 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-738 5 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-738 6 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-738 7 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-738 8 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-738 9 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-739 A Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-739 0 Dallas TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-739 1 Dallas TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-739 2 Dallas TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-739 3 Dallas TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-739 5 Dallas TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-739 6 Dallas TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-739 7 Dallas TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-739 8 Dallas TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-739 9 Dallas TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-740 A Grand Prairie EMS TX CRTNTX35G03  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 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: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.