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
972-833 4 Ferris TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2016-07-23   
972-833 6 Ferris TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-06   
972-833 7 Ferris TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-05-18   
972-833 8 Ferris TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-06   
972-833 9 Ferris TX   515J IP HORIZON LLC 552   2017-12-15   
972-834 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-834 0 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-03-08   
972-834 1 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-12-03   
972-834 2 Grand Prairie EMS TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-02-11   
972-834 3 Grand Prairie EMS TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-02-11   
972-834 4 Grand Prairie EMS TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-02-11   
972-834 5 Grand Prairie EMS TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-02-11   
972-834 6 Grand Prairie EMS TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-02-11   
972-834 7 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-03-08   
972-834 8 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-03-08   
972-834 9 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-04   
972-835 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-835 0 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-08   
972-835 1 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-08   
972-835 2 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-08   
972-835 3 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-08   
972-835 4 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-08   
972-835 5 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-08   
972-835 6 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-08   
972-835 7 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-08   
972-835 8 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-08   
972-835 9 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-04-11   
972-836 A Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-836 0 Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-836 1 Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-836 2 Plano TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-22   
972-836 3 Plano TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-22   
972-836 4 Plano TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-22   
972-836 5 Plano TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-22   
972-836 6 Plano TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-11-20   
972-836 7 Plano TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-11-20   
972-836 8 Plano TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-11-20   
972-836 9 Plano TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-11-20   
972-837 A McKinney TX MCKNTXTERS1  9533 SOUTHWESTERN BELL 552      
972-837 0 McKinney TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2004-11-19   
972-837 1 McKinney TX MCKNTXTERS1  9533 SOUTHWESTERN BELL 552      
972-837 2 McKinney TX MCKNTXTERS1  9533 SOUTHWESTERN BELL 552      
972-837 3 McKinney TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-01-29   
972-837 4 McKinney TX MCKNTXTERS1  9533 SOUTHWESTERN BELL 552      
972-837 5 McKinney TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-04-16   
972-837 6 McKinney TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-04-13   
972-837 7 McKinney TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-08-11   
972-837 8 McKinney TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-10-16   
972-837 9 McKinney TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2008-12-12   
972-838 A McKinney EMS TX MCKNTXTERS1  9533 SOUTHWESTERN BELL 552      
972-838 0 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2006-01-12   
972-838 1 McKinney EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2004-02-08   
972-838 2 McKinney EMS TX MCKNTXTERS1  9533 SOUTHWESTERN BELL 552      
972-838 3 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-03-28   
972-838 4 McKinney EMS TX MCKNTXTERS1  9533 SOUTHWESTERN BELL 552      
972-838 5 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-12-22   
972-838 6 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-09-16   
972-838 7 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-03-07   
972-838 8 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-01-14   
972-838 9 McKinney EMS TX MCKNTXTERS1  9533 SOUTHWESTERN BELL 552      
972-839 A Grand Prairie EMS TX CRTNTX35G03  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-840 A Plano TX GRLDTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-841 A Grand Prairie EMS TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
972-842 A Ferris EMS TX FRRSTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-842 0 Ferris EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-02-22   
972-842 1 Ferris EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-02-22   
972-842 2 Ferris EMS TX FRRSTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-842 3 Ferris EMS TX FRRSTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-842 4 Ferris EMS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-11-22   
972-842 5 Ferris EMS TX FRRSTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-842 6 Ferris EMS TX   792K CHARTER IP ENABLED SERVICES, LLC 552   2016-05-28   
972-842 7 Ferris EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2008-11-21   
972-842 8 Ferris EMS TX FRRSTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-842 9 Ferris EMS TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2019-04-05   
972-843 A Nevada EMS TX NEVDTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-843 0 Nevada EMS TX NEVDTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-843 1 Nevada EMS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-06-17   
972-843 2 Nevada EMS TX NEVDTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-843 3 Nevada EMS TX NEVDTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-843 4 Nevada EMS TX NEVDTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-843 5 Nevada EMS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-08-26   
972-843 6 Nevada EMS TX NEVDTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-843 7 Nevada EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-07-06   
972-843 8 Nevada EMS TX NEVDTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-843 9 Nevada EMS TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-22   
972-844 A Dallas TX DLLSTXRIDS5  9533 SOUTHWESTERN BELL 552      
972-845 A Palmer EMS TX PLMRTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-845 0 Palmer EMS TX DLLSTX97DSU  951G INTEGRATED PATH COMMUNICATIONS, LLC - TX 552   2014-09-20   
972-845 1 Palmer EMS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2015-04-05   
972-845 2 Palmer EMS TX PLMRTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-845 3 Palmer EMS TX PLMRTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-845 4 Palmer EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-03-02   
972-845 5 Palmer EMS TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-02-25   
972-845 6 Palmer EMS TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-15   
972-845 7 Palmer EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2009-03-08   
972-845 8 Palmer EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-03-02   
972-845 9 Palmer EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-04-11   
972-846 A Bristol EMS TX BRSTTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-846 0 Bristol EMS TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-18   
972-846 1 Bristol EMS TX   515J IP HORIZON LLC 552   2017-12-15   

<< 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: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.