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
956-487 A Rio Grande City TX RGCYTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-488 A Rio Grande City TX RGCYTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-489 A Laredo TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
956-489 0 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
956-489 1 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
956-489 2 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
956-489 3 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
956-489 4 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
956-489 5 Laredo TX   004F BANDWIDTH.COM CLEC, LLC - TX 566   2011-02-25   
956-489 6 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
956-489 7 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
956-489 8 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
956-489 9 Laredo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-07-13   
956-490 A Harlingen TX MCALTXNTCM0  6664 SPRINT SPECTRUM L.P. 568      
956-490 0 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568   2008-01-04   
956-490 1 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-490 3 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-490 4 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-490 5 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-490 6 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-490 7 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-490 8 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-490 9 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-491 A Harlingen TX MCALTXNTCM0  6664 SPRINT SPECTRUM L.P. 568      
956-491 1 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-491 2 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-491 3 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-491 4 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-491 5 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-491 6 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-491 7 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-491 8 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-491 9 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-492 A Harlingen TX MCALTXNTCM0  6664 SPRINT SPECTRUM L.P. 568      
956-492 1 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-492 2 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568   2008-01-04   
956-492 3 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-492 4 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-492 5 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-492 6 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-492 7 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-492 8 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-492 9 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-493 A Harlingen TX MCALTXNTCM0  6664 SPRINT SPECTRUM L.P. 568      
956-493 0 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568   2008-01-04   
956-493 1 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-493 2 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568   2008-01-04   
956-493 3 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-493 4 Harlingen TX   6664 SPRINT SPECTRUM L.P. 568      
956-493 5 Harlingen TX   6664 SPRINT SPECTRUM L.P. 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.