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
832-783 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-02-21   
832-783 1 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2014-02-20   
832-783 2 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2014-02-20   
832-783 3 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2014-02-20   
832-783 4 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2014-02-20   
832-783 5 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2014-02-20   
832-783 6 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2014-02-20   
832-783 7 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2014-02-20   
832-783 8 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2014-02-21   
832-783 9 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2014-02-21   
832-785 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-785 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-11-14   
832-785 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-11-14   
832-785 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-11-14   
832-785 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-11-14   
832-785 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-11-14   
832-785 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-11-14   
832-785 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-11-14   
832-785 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-05-20   
832-785 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-05-20   
832-785 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-05-20   
832-786 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-786 0 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-03-05   
832-786 1 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-03-05   
832-786 2 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2013-03-03   
832-786 3 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2013-03-03   
832-786 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2013-03-03   
832-786 5 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2013-03-03   
832-786 6 HSTATX750MD  829J PAETEC ITEL, LLC 560   2013-03-06   
832-786 7 HSTATX750MD  829J PAETEC ITEL, LLC 560   2013-03-06   
832-786 8 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-03-05   
832-786 9 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-03-05   
832-788 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-790 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-790 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-03-18   
832-790 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-03-18   
832-790 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-03-18   
832-790 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-03-18   
832-790 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-03-18   
832-790 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-03-18   
832-790 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-03-18   
832-790 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-07-17   
832-790 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-04-01   
832-790 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-04-01   
832-792 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-792 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-05-04   
832-792 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-05-04   
832-792 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-05-04   
832-792 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-05-04   
832-792 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-05-04   
832-792 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-05-04   
832-792 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-05-04   
832-792 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-05-04   
832-792 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-05-04   
832-792 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-08-16   
832-794 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-794 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-794 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-794 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-794 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-794 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2004-11-15   
832-794 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2004-11-15   
832-794 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2004-11-15   
832-794 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2004-12-03   
832-794 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-794 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-798 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-798 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-01-20   
832-798 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-798 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-798 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-01-20   
832-798 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-01-20   
832-798 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-01-20   
832-798 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-798 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-01-20   
832-798 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-01-20   
832-798 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-799 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
832-799 0 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2010-10-24   
832-799 1 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2010-08-23   
832-799 2 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2010-08-23   
832-799 3 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2010-08-23   
832-799 4 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2010-08-23   
832-799 5 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2011-04-22   
832-799 6 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2011-04-22   
832-799 7 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-04-23   
832-799 8 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-04-23   
832-799 9 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2010-08-23   
832-801 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-801 0 HSTDTXBGBMD  5562 METROPCS, INC. 560   2012-10-21   
832-801 1 HSTDTXBGBMD  5562 METROPCS, INC. 560   2012-10-21   
832-801 2 HSTDTXBGBMD  5562 METROPCS, INC. 560   2012-10-21   
832-801 3 HSTDTXBGBMD  5562 METROPCS, INC. 560   2012-10-21   
832-801 4 HSTDTXBGBMD  5562 METROPCS, INC. 560   2012-10-21   
832-801 5 HSTDTXBGBMD  5562 METROPCS, INC. 560   2012-10-21   
832-801 6 HSTDTXBGBMD  5562 METROPCS, INC. 560   2012-10-21   
832-801 7 HSTDTXBGBMD  5562 METROPCS, INC. 560   2012-10-21   
832-801 8 HSTDTXBGBMD  5562 METROPCS, INC. 560   2012-10-21   
832-801 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2012-10-21   
832-803 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      

<< 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.