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
956-414 7 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-03-24   
956-414 8 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-03-24   
956-414 9 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-03-24   
956-415 A Laredo TX   004F BANDWIDTH.COM CLEC, LLC - TX 566      
956-415 0 Laredo TX   004F BANDWIDTH.COM CLEC, LLC - TX 566   2013-07-19   
956-415 1 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2013-09-12   
956-415 2 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2013-09-12   
956-415 3 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2014-06-27   
956-415 4 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2013-09-15   
956-415 5 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2013-09-15   
956-415 6 Laredo TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2019-08-19   
956-415 7 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2013-09-15   
956-415 8 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2013-09-15   
956-415 9 Laredo TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2013-09-09   
956-416 A Rio Grande City TX   5562 METRO PCS, INC. 568      
956-416 0 Rio Grande City TX   5562 METRO PCS, INC. 568   2015-02-09   
956-416 1 Rio Grande City TX   5562 METRO PCS, INC. 568   2015-02-09   
956-416 2 Rio Grande City TX   5562 METRO PCS, INC. 568   2015-02-09   
956-416 3 Rio Grande City TX   5562 METRO PCS, INC. 568   2015-02-09   
956-416 4 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-04-06   
956-416 5 Rio Grande City TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2015-10-11   
956-416 6 Rio Grande City TX   7575 CENTURYLINK COMMUNICATIONS LLC 568   2016-03-12   
956-416 7 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-06-06   
956-416 8 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-06-06   
956-416 9 Rio Grande City TX   5562 METRO PCS, INC. 568   2015-02-09   
956-417 A Dolores TX DLRSTXXADS0  2090 ALENCO COMMUNICATIONS, INC. 566      
956-418 A Dolores TX MODNTXXARS0  2090 ALENCO COMMUNICATIONS, INC. 566      
956-419 A Dolores TX WMRTTXXARS0  2090 ALENCO COMMUNICATIONS, INC. 566      
956-420 A Donna TX   903C ONVOY, LLC - TX 568      
956-420 0 Donna TX   903C ONVOY, LLC - TX 568   2017-05-19   
956-420 1 Donna TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568   2017-09-21   
956-420 2 Donna TX   5562 METRO PCS, INC. 568   2018-05-13   
956-420 3 Donna TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2018-07-08   
956-420 4 Donna TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2018-05-17   
956-420 5 Donna TX   5562 METRO PCS, INC. 568   2018-05-13   
956-420 6 Donna TX   903C ONVOY, LLC - TX 568   2019-05-24   
956-421 A Harlingen TX HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-422 A Roma TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-422 0 Roma TX   4290 STPCS JOINT VENTURE, LLC 568   2013-10-06   
956-422 1 Roma TX   4290 STPCS JOINT VENTURE, LLC 568   2013-10-06   
956-422 2 Roma TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2013-12-06   
956-422 3 Roma TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-16   
956-422 4 Roma TX   4290 STPCS JOINT VENTURE, LLC 568   2015-01-10   
956-422 6 Roma TX   4290 STPCS JOINT VENTURE, LLC 568   2016-03-14   
956-422 7 Roma TX   7575 CENTURYLINK COMMUNICATIONS LLC 568   2016-03-12   
956-422 8 Roma TX   4290 STPCS JOINT VENTURE, LLC 568   2016-03-14   
956-422 9 Roma TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2013-08-29   
956-423 A Harlingen TX HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-424 A Mission TX MSSNTXMIDS0  9533 SOUTHWESTERN BELL 568      
956-424 0 Mission TX   9533 SOUTHWESTERN BELL 568      

<< 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: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.