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: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

<< 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 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-747 5 Brownsville TX   319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568   2016-06-22   
956-747 6 Brownsville TX   319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568   2016-06-22   
956-747 7 Brownsville TX   319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568   2016-06-22   
956-747 8 Brownsville TX   319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568   2016-06-22   
956-747 9 Brownsville TX   319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568   2016-06-22   
956-748 A Rio Hondo TX RHNDTXRHRS0  9533 SOUTHWESTERN BELL 568      
956-748 1 Rio Hondo TX   9533 SOUTHWESTERN BELL 568      
956-748 2 Rio Hondo TX   9533 SOUTHWESTERN BELL 568      
956-748 3 Rio Hondo TX   9533 SOUTHWESTERN BELL 568      
956-748 4 Rio Hondo TX   9533 SOUTHWESTERN BELL 568      
956-748 5 Rio Hondo TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568   2007-05-03   
956-748 6 Rio Hondo TX   319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568   2005-10-20   
956-748 7 Rio Hondo TX   4866 SMARTCOM TELEPHONE LLC 568   2009-10-23   
956-748 9 Rio Hondo TX   9533 SOUTHWESTERN BELL 568      
956-750 A Zapata TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568      
956-750 0 Zapata TX   4290 STPCS JOINT VENTURE, LLC 568      
956-750 1 Zapata TX   4290 STPCS JOINT VENTURE, LLC 568      
956-750 2 Zapata TX   4290 STPCS JOINT VENTURE, LLC 568      
956-750 3 Zapata TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568   2008-01-24   
956-750 4 Zapata TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2008-10-20   
956-750 5 Zapata TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2008-10-23   
956-750 6 Zapata TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2014-11-28   
956-750 7 Zapata TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2009-02-13   
956-750 8 Zapata TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2008-09-16   
956-750 9 Zapata TX   4290 STPCS JOINT VENTURE, LLC 568      
956-752 A Harlingen TX HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-752 0 Harlingen TX   9533 SOUTHWESTERN BELL 568      
956-752 1 Harlingen TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2013-06-14   
956-752 2 Harlingen TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2013-06-14   
956-752 3 Harlingen TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2010-12-03   
956-752 5 Harlingen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-05-04   
956-752 6 Harlingen TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2015-09-11   
956-752 7 Harlingen TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2015-09-11   
956-752 8 Harlingen TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2015-09-11   
956-752 9 Harlingen TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2015-09-11   
956-753 A Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-754 A Laredo TX SCHZTXCECM2  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2006-11-21   
956-754 0 Laredo TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2007-02-20   
956-754 1 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 2 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 3 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 4 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 5 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 6 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 7 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 8 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 9 Laredo TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2006-11-21   
956-755 A Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-755 0 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-755 1 Brownsville TX   7399 WESTEL, INC. - TEXAS 568   2009-12-14   

<< 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 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.