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
832-530 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2012-11-11   
832-530 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2012-11-11   
832-530 4 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2012-11-06   
832-530 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2012-11-03   
832-530 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2012-11-03   
832-530 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2012-11-03   
832-530 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2012-11-03   
832-530 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2012-11-03   
832-531 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-531 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-09   
832-531 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-09   
832-531 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-09   
832-531 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-09   
832-531 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-09   
832-531 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-09   
832-531 6 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2008-10-26   
832-531 7 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2008-10-26   
832-531 8 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2008-10-26   
832-531 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-09   
832-533 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-533 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
832-533 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
832-533 2 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-05-08   
832-533 3 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-05-08   
832-533 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
832-533 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
832-533 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
832-533 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
832-533 8 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-10-08   
832-533 9 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-10-08   
832-537 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-537 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-10-26   
832-537 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-10-26   
832-537 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-10-26   
832-537 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-10-26   
832-537 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-10-26   
832-537 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-10-26   
832-537 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-10-27   
832-537 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-11-23   
832-537 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-11-23   
832-537 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-11-23   
832-538 A HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-538 0 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2011-09-09   
832-538 1 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2011-09-09   
832-538 2 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-12   
832-538 3 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-12   
832-538 4 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-12   
832-538 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-12   
832-538 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-12   
832-538 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-12   
832-538 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-12   
832-538 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-12   
832-540 A HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-540 0 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2012-01-16   
832-540 1 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2012-01-16   
832-540 2 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2012-01-16   
832-540 3 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2012-02-28   
832-540 4 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2012-02-28   
832-540 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-11-24   
832-540 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-11-24   
832-540 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-11-24   
832-540 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-11-24   
832-540 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-11-24   
832-541 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-541 0 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-541 1 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-541 2 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-541 3 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-541 4 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-541 5 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-541 6 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-541 7 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-541 8 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-541 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-542 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-542 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-06-10   
832-542 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-06-10   
832-542 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-06-10   
832-542 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-06-10   
832-542 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-09-20   
832-542 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-06-10   
832-542 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-06-10   
832-542 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-09-20   
832-542 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-09-20   
832-542 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-06-10   
832-544 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
832-544 0 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-05   
832-544 1 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-05   
832-544 2 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-05   
832-544 3 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-05   
832-544 4 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-05   
832-544 5 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-05   
832-544 6 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-05   
832-544 7 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-05   
832-544 8 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-05   
832-544 9 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-05   
832-545 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-545 0 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-545 1 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-545 2 HSTDTXBGBMD  5562 METROPCS, INC. 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: LES.NET

Like this site? We accept donations via PayPal.