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
972-295 A Plano TX WYLITXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-295 0 Plano TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2019-01-10   
972-295 1 Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-11-11   
972-295 2 Plano TX WYLITXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-295 3 Plano TX WYLITXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-295 4 Plano TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2006-10-06   
972-295 5 Plano TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2006-11-10   
972-295 6 Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2006-08-24   
972-295 7 Plano TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2006-11-10   
972-295 8 Plano TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-09-28   
972-295 9 Plano TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-11-20   
972-296 A Dallas TX DLLSTXDVDS0  9533 SOUTHWESTERN BELL 552      
972-297 A Grand Prairie TX DLLSTXJP2MD  6630 USA MOBILITY WIRELESS, INC. 552      
972-298 A Dallas TX DLLSTXDVDS0  9533 SOUTHWESTERN BELL 552      
972-299 A Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-299 0 Cedar Hill EMS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2016-07-18   
972-299 1 Cedar Hill EMS TX FTWPTXZPPS0  353D CHARTER FIBERLINK TX-CCO, LLC - TX 552   2016-05-29   
972-299 2 Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-299 3 Cedar Hill EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-03-07   
972-299 4 Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-299 5 Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-299 6 Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-299 7 Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-299 8 Cedar Hill EMS TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-03-05   
972-299 9 Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-300 A Carrollton TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
972-301 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-301 0 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-301 1 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-301 2 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-12-20   
972-301 3 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-301 4 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-301 5 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-301 6 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-301 7 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-12-20   
972-301 8 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-12-20   
972-301 9 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-302 A McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
972-302 0 McKinney EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2008-03-09   
972-302 1 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-04-04   
972-302 2 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-06-12   
972-302 3 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2006-01-15   
972-302 4 McKinney EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2007-01-12   
972-302 5 McKinney EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2007-01-12   
972-302 6 McKinney EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2008-03-09   
972-302 7 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-10-20   
972-302 8 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-11-27   
972-302 9 McKinney EMS TX DLLSTX37DSH  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-08-13   
972-303 A Plano TX GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 0 Plano TX GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 1 Plano TX GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 2 Plano TX GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 3 Plano TX GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 4 Plano TX GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 5 Plano TX GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 6 Plano TX GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 7 Plano TX GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 8 Plano TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2009-02-04   
972-303 9 Plano TX GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-304 A Lewisville TX LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-305 A Grand Prairie TX DLLSTXMCDS0  6591 TELETOUCH COMMUNICATIONS, INC. 552      
972-306 A Carrollton TX CRTNTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-307 A Carrollton TX CRTNTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-308 A Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552      
972-308 0 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-308 1 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-308 2 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-308 3 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-308 4 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-308 5 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-308 6 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552      
972-308 7 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-308 8 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-308 9 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-309 A Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 0 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 1 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 2 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 3 Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2010-01-11   
972-309 4 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 5 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 6 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 7 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 8 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 9 Plano TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2008-10-07   
972-310 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-310 0 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-11-07   
972-310 1 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-11-09   
972-310 2 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-11-09   
972-310 3 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-12-01   
972-310 4 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-12-01   
972-310 5 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2004-12-02   
972-310 6 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2004-12-02   
972-310 7 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-17   
972-310 8 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-17   
972-310 9 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-11-06   
972-312 A Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-312 0 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-312 1 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-312 2 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2007-11-11   

<< 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.