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
346-607 4 HSTDTXBGBMD  5562 METROPCS, INC. 560   2023-01-06   
346-607 5 HSTDTXBGBMD  5562 METROPCS, INC. 560   2023-01-06   
346-607 6 HSTDTXBGBMD  5562 METROPCS, INC. 560   2023-01-06   
346-607 7 HSTDTXBGBMD  5562 METROPCS, INC. 560   2023-01-06   
346-607 8 HSTDTXBGBMD  5562 METROPCS, INC. 560   2023-01-06   
346-607 9 HSTDTXBGBMD  5562 METROPCS, INC. 560   2023-01-06   
346-610 A HSTNTXSXGT0  8833 LOGIX COMMUNICATIONS CORPORATION - TX 560      
346-610 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 1 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-06-16   
346-610 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-01-19   
346-613 A HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-613 0 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-19   
346-613 1 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-19   
346-613 2 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-19   
346-613 3 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-19   
346-613 4 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-19   
346-613 5 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-19   
346-613 6 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-19   
346-613 7 HSTNTXJAXQY  490J DISH WIRELESS, LLC 560   2023-05-21   
346-613 8 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-25   
346-613 9 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-25   
346-618 A HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-618 0 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-04-09   
346-618 1 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-04-09   
346-618 2 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-04-09   
346-618 3 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-04-09   
346-618 4 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-04-09   
346-618 5 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-04-09   
346-618 6 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-04-09   
346-618 7 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-04-09   
346-618 8 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-04-09   
346-618 9 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-04-09   
346-619 A HSTNTXYATMD  732J NUSO, LLC 560      
346-619 0 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-07-03   
346-619 1 HSTNTXYATMD  732J NUSO, LLC 560   2023-04-09   
346-619 2 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-07-11   
346-619 3 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-07-11   
346-619 4 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-07-11   
346-619 5 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-07-11   
346-619 6 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-07-03   
346-619 7 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-07-03   
346-619 8 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-07-03   
346-619 9 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-07-03   
346-628 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-628 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-628 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-628 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-628 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-628 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-628 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-628 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-628 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-628 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-628 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-638 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-638 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-638 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-638 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-638 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-638 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-638 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-638 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-638 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-638 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-638 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-646 A HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-646 0 HSTNTXYAHMD  073H TELNYX LLC 560   2021-02-15   
346-646 1 HSTNTXYAHMD  073H TELNYX LLC 560   2021-02-15   
346-646 2 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-04-08   
346-646 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-11   
346-646 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-11   
346-646 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-11   
346-646 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-11   
346-646 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-11   
346-646 8 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-04-08   
346-646 9 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-04-08   
346-648 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-648 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-649 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   

<< 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: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.