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
972-851 2 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 3 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 4 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 5 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 6 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 7 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 8 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 9 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-852 A Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-853 A Nevada TX NEVDTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-853 0 Nevada TX NEVDTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-853 1 Nevada TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-12-30   
972-853 2 Nevada TX NEVDTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-853 3 Nevada TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2013-12-13   
972-853 4 Nevada TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-09   
972-853 5 Nevada TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-09-30   
972-853 6 Nevada TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-09   
972-853 7 Nevada TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-01-29   
972-853 8 Nevada TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-09-22   
972-853 9 Nevada TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-22   
972-854 A Grand Prairie TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-854 0 Grand Prairie TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-854 1 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-03-08   
972-854 2 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-03-08   
972-854 3 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2011-07-26   
972-854 4 Grand Prairie TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-09-15   
972-854 5 Grand Prairie TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-854 6 Grand Prairie TX RCSNTXHVBMD  516C AT&T CORP. 552   2010-07-12   
972-854 7 Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2008-08-18   
972-854 8 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2008-02-04   
972-854 9 Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2011-07-26   
972-855 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-855 0 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2012-02-23   
972-855 1 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-855 2 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-855 3 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-855 4 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-855 5 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-855 6 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-855 7 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2012-02-23   
972-855 8 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-11-21   
972-855 9 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-856 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-856 1 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-856 2 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-856 4 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-856 9 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-857 A Dallas TX DLLSTXFBRS2  9533 SOUTHWESTERN BELL 552      
972-858 A Dallas TX DLLSTXADRS3  9533 SOUTHWESTERN BELL 552      
972-859 A Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-859 0 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2004-07-05   
972-859 1 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-859 2 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-859 3 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-859 4 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-859 5 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-859 6 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-859 7 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-859 8 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-859 9 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2004-08-15   
972-860 A Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-860 0 Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-860 1 Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-860 2 Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-860 3 Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-860 4 Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-860 5 Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-860 6 Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-860 7 Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-860 8 Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-860 9 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2009-02-11   
972-861 A Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-861 0 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-12-30   
972-861 1 Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-861 2 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2013-03-07   
972-861 3 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-02-16   
972-861 4 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-02-16   
972-861 5 Dallas TX DLLSTX97DS8  8833 LOGIX COMMUNICATIONS CORPORATION - TX 552   2010-01-21   
972-861 6 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-02-16   
972-861 7 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-02-16   
972-861 8 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-02-16   
972-862 A Carrollton TX CRTNTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-863 A Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-863 0 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-12-30   
972-863 1 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-04-28   
972-863 2 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-04-28   
972-863 3 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552   2009-11-13   
972-863 4 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552   2009-06-07   
972-863 5 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552   2009-06-07   
972-863 6 Dallas TX DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
972-863 7 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552   2009-06-25   
972-863 8 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552   2009-12-29   
972-863 9 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552   2009-12-29   
972-864 A Plano TX GRLDTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-865 A Dallas TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
972-865 0 Dallas TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
972-865 1 Dallas TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
972-865 2 Dallas TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
972-865 3 Dallas TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
972-865 4 Dallas TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-12-13   

<< 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: VoIP Much Phone Company

Like this site? We accept donations via PayPal.