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
972-961 1 Rockwall TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2019-09-09   
972-961 2 Rockwall TX DLLSTX97X1X  073H TELNYX LLC 552   2019-03-14   
972-961 3 Rockwall TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-02-11   
972-961 4 Rockwall TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2002-09-04   
972-961 5 Rockwall TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2004-05-02   
972-961 6 Rockwall TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2011-01-25   
972-961 7 Rockwall TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-09-02   
972-961 8 Rockwall TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2004-01-03   
972-961 9 Rockwall TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-962 A Kaufman EMS TX KFMNTXXARS1  2084 BRIGHTSPEED OF EASTERN TEXAS, INC. 552      
972-962 0 Kaufman EMS TX KFMNTXXARS1  2084 BRIGHTSPEED OF EASTERN TEXAS, INC. 552      
972-962 1 Kaufman EMS TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-06-17   
972-962 2 Kaufman EMS TX KFMNTXXARS1  2084 BRIGHTSPEED OF EASTERN TEXAS, INC. 552      
972-962 3 Kaufman EMS TX KFMNTXXARS1  2084 BRIGHTSPEED OF EASTERN TEXAS, INC. 552      
972-962 4 Kaufman EMS TX KFMNTXXARS1  2084 BRIGHTSPEED OF EASTERN TEXAS, INC. 552      
972-962 5 Kaufman EMS TX KFMNTXXARS1  2084 BRIGHTSPEED OF EASTERN TEXAS, INC. 552      
972-962 6 Kaufman EMS TX KFMNTXXARS1  2084 BRIGHTSPEED OF EASTERN TEXAS, INC. 552      
972-962 7 Kaufman EMS TX KFMNTXXARS1  2084 BRIGHTSPEED OF EASTERN TEXAS, INC. 552      
972-962 8 Kaufman EMS TX KFMNTXXARS1  2084 BRIGHTSPEED OF EASTERN TEXAS, INC. 552      
972-962 9 Kaufman EMS TX ATHNTXXATMD  903C ONVOY, LLC - TX 552   2020-04-29   
972-963 A Frisco TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-963 0 Frisco TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2008-08-28   
972-963 1 Frisco TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2003-02-21   
972-963 2 Frisco TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-963 3 Frisco TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2003-06-24   
972-963 4 Frisco TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2002-12-31   
972-963 5 Frisco TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-963 6 Frisco TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2003-02-21   
972-963 7 Frisco TX FRSCTXESDS0  9533 SOUTHWESTERN BELL 552   2002-10-01   
972-963 8 Frisco TX FRSCTXESDS0  9533 SOUTHWESTERN BELL 552   2002-10-01   
972-963 9 Frisco TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-964 A Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-965 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-966 A Lewisville TX LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 0 Lewisville TX LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 1 Lewisville TX LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 2 Lewisville TX LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 3 Lewisville TX LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 4 Lewisville TX LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 5 Lewisville TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2008-08-18   
972-966 6 Lewisville TX LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 7 Lewisville TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2010-03-19   
972-966 8 Lewisville TX LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 9 Lewisville TX DLLTTXID1MD  5562 METROPCS, INC. 552   2007-02-09   
972-967 A Grand Prairie EMS TX DLLSTXMCDS0  6591 TELETOUCH COMMUNICATIONS, INC. 552      
972-968 A Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-968 0 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-968 1 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-968 2 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-968 3 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-968 4 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-968 5 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-968 6 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-968 7 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2009-02-11   
972-968 8 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2009-02-11   
972-968 9 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2009-02-11   
972-969 A Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-970 A Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-970 0 Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-04-29   
972-970 1 Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-04-29   
972-970 2 Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-04-29   
972-970 3 Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-04-29   
972-970 4 Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-04-29   
972-970 5 Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-04-29   
972-970 6 Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-04-29   
972-970 7 Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-04-29   
972-970 8 Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-04-29   
972-970 9 Grand Prairie TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-04-29   
972-971 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-971 0 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-12-30   
972-971 1 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-12-30   
972-971 2 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-12-30   
972-971 3 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-12-30   
972-971 4 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-12-30   
972-971 5 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-12-30   
972-971 6 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-12-30   
972-971 7 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-12-30   
972-971 8 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-12-30   
972-971 9 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-12-16   
972-972 A Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-972 0 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2018-02-28   
972-972 1 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2017-12-18   
972-972 2 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2017-12-18   
972-972 3 Dallas TX DLLSTXHM0MD  829J PAETEC ITEL, LLC 552   2017-12-18   
972-972 4 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-04-07   
972-972 5 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2018-02-28   
972-972 6 Dallas TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2018-01-22   
972-972 7 Dallas TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2018-01-22   
972-972 8 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-04-07   
972-972 9 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2017-12-17   
972-973 A Dallas Fort Worth Airport EMS TX DFIATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-973 0 Dallas Fort Worth Airport EMS TX DFIATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2004-11-21   
972-973 1 Dallas Fort Worth Airport EMS TX DFIATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2004-11-21   
972-973 2 Dallas Fort Worth Airport EMS TX DFIATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2004-11-21   
972-973 3 Dallas Fort Worth Airport EMS TX DFIATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2004-11-21   
972-973 4 Dallas Fort Worth Airport EMS TX DFIATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2004-11-21   
972-973 5 Dallas Fort Worth Airport EMS TX DFIATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2004-11-21   
972-973 6 Dallas Fort Worth Airport EMS TX DFIATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2004-11-21   
972-973 7 Dallas Fort Worth Airport EMS TX DFIATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2004-11-21   
972-973 8 Dallas Fort Worth Airport EMS TX DFIATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2004-11-21   

<< 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.ms

Like this site? We accept donations via PayPal.