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 99 100 101 102 103 104 105 106 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
832-903 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-01-09   
832-903 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-01-09   
832-903 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-01-09   
832-903 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-01-09   
832-903 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-01-09   
832-904 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-904 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-02-12   
832-904 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-02-09   
832-904 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-02-09   
832-904 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-02-09   
832-904 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-02-09   
832-904 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-02-09   
832-904 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-02-09   
832-904 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-02-09   
832-904 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-02-09   
832-904 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-02-09   
832-907 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-907 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-907 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-907 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-907 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-907 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-907 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-907 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-907 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-907 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-907 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-908 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-908 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-908 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-908 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-908 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-908 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-908 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-908 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-908 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-908 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-908 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-910 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-910 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-04-27   
832-910 1 HSTDTXBGBMD  5562 METROPCS, INC. 560   2013-04-27   
832-910 2 HSTDTXBGBMD  5562 METROPCS, INC. 560   2013-04-27   
832-910 3 HSTDTXBGBMD  5562 METROPCS, INC. 560   2013-04-27   
832-910 4 HSTDTXBGBMD  5562 METROPCS, INC. 560   2013-04-27   
832-910 5 HSTDTXBGBMD  5562 METROPCS, INC. 560   2013-04-27   
832-910 6 HSTDTXBGBMD  5562 METROPCS, INC. 560   2013-04-27   
832-910 7 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-01-21   
832-910 8 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-01-21   
832-910 9 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-01-21   
832-914 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-914 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-04-30   
832-914 1   515J IP HORIZON LLC 560   2013-04-28   
832-914 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-04-30   
832-914 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-04-30   
832-914 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-04-30   
832-914 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-04-30   
832-914 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-04-30   
832-914 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-04-30   
832-914 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-04-30   
832-914 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-04-30   
832-916 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-916 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-916 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-916 2 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-03-12   
832-916 3 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-03-12   
832-916 4 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-03-12   
832-916 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-03-12   
832-916 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-03-12   
832-916 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-03-12   
832-916 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-03-12   
832-916 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-03-10   
832-917 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
832-917 0 HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2013-05-21   
832-917 1 HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2013-05-21   
832-917 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-06-24   
832-917 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-06-24   
832-917 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2013-06-24   
832-917 5 HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2013-06-15   
832-917 6 HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2013-06-15   
832-917 7 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2013-05-19   
832-917 8 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2013-05-19   
832-917 9 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2013-05-19   
832-918 A HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
832-918 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-12-09   
832-918 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-12-09   
832-918 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-12-09   
832-918 3 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2014-12-08   
832-918 4 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2014-12-08   
832-918 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-12-09   
832-918 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-12-09   
832-918 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-12-09   
832-918 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-12-09   
832-918 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-12-09   
832-919 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
832-919 0 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2013-05-04   
832-919 1 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2013-05-04   
832-919 2 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2013-05-04   
832-919 3 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2013-05-04   
832-919 4 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2013-05-04   
832-919 5 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2013-05-04   

<< 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 99 100 101 102 103 104 105 106 >>

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.