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.

Houston, TX

<< 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 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
832-494 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2007-03-21   
832-494 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2007-03-21   
832-494 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-04-15   
832-494 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-04-15   
832-494 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-04-15   
832-494 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-07-17   
832-494 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-07-17   
832-494 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-07-17   
832-495 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-495 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-495 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-01-08   
832-495 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-01-08   
832-495 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-01-08   
832-495 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2004-06-03   
832-495 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-01-08   
832-495 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-01-08   
832-495 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-01-08   
832-495 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-495 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-496 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-496 0 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-496 1 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-496 2 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-496 3 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-496 4 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-496 5 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-496 6 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-496 7 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-496 8 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-496 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-498 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-498 0 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-498 1 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-498 2 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-498 3 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-498 4 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-498 5 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-498 6 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-498 7 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-498 8 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-498 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-499 A HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-499 0 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-05-24   
832-499 1 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-05-24   
832-499 2 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-05-24   
832-499 3 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-05-24   
832-499 4 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-05-24   
832-499 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-05-24   
832-499 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-05-24   
832-499 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-05-24   
832-499 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-05-24   
832-499 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-05-22   
832-504 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-504 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-08-22   
832-504 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-08-22   
832-504 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-08-22   
832-504 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-08-22   
832-504 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-08-22   
832-504 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-08-22   
832-504 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-08-22   
832-504 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-08-22   
832-504 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-08-22   
832-504 9 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-09-16   
832-506 A HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-506 0 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-04-17   
832-506 1 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-04-17   
832-506 2 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-04-17   
832-506 3 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-04-17   
832-506 4 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-03-31   
832-506 5 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-03-31   
832-506 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-04-17   
832-506 7 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-03-31   
832-506 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-04-17   
832-506 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-03-14   
832-507 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-507 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-02-09   
832-507 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-02-09   
832-507 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-02-09   
832-507 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-02-09   
832-507 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-02-09   
832-507 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-02-09   
832-507 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-02-09   
832-507 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-02-09   
832-507 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-02-09   
832-507 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-02-09   
832-508 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-508 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-07-18   
832-508 1 HSTDTXBGBMD  5562 METROPCS, INC. 560   2011-03-15   
832-508 2 HSTDTXBGBMD  5562 METROPCS, INC. 560   2011-03-15   
832-508 3 HSTDTXBGBMD  5562 METROPCS, INC. 560   2011-03-15   
832-508 4 HSTDTXBGBMD  5562 METROPCS, INC. 560   2011-03-15   
832-508 5 HSTDTXBGBMD  5562 METROPCS, INC. 560   2011-03-15   
832-508 6 HSTDTXBGBMD  5562 METROPCS, INC. 560   2011-03-15   
832-508 7 HSTDTXBGBMD  5562 METROPCS, INC. 560   2011-03-15   
832-508 8 HSTDTXBGBMD  5562 METROPCS, INC. 560   2011-03-15   
832-508 9 HSTDTXBGBMD  5562 METROPCS, INC. 560   2011-03-15   
832-509 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
832-509 0 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-10-29   
832-509 1 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-10-29   
832-509 2 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-10-29   

<< 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 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.