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 Suburban, 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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
346-693 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-11-11   
346-693 9 HSTNTXJAXQY  490J DISH WIRELESS, LLC 560   2023-11-10   
346-699 A HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-699 0 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-08-20   
346-699 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-08-20   
346-699 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-17   
346-699 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-17   
346-699 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-17   
346-699 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-17   
346-699 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-08-20   
346-699 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-08-20   
346-699 9 HSTNTXJAXBY  965H FRACTEL, LLC 560   2021-07-11   
346-744 A HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-744 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-09-25   
346-744 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-09-25   
346-744 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-09-25   
346-744 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-09-27   
346-744 4 HSTNTXJAXBY  965H FRACTEL, LLC 560   2021-09-24   
346-744 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-09-27   
346-744 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-09-27   
346-744 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-09-27   
346-744 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-09-27   
346-744 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-09-25   
346-754 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-754 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-08-08   
346-754 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-08-08   
346-754 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-04-11   
346-754 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-04-11   
346-754 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-04-11   
346-754 5 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2016-04-11   
346-754 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-09-15   
346-754 7 HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560   2017-08-13   
346-754 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-08-06   
346-754 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-08-08   
346-773 A HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-773 0 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-04-12   
346-773 1 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-04-12   
346-773 2 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-29   
346-773 3 HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2016-09-12   
346-773 4 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2017-06-23   
346-773 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-29   
346-773 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-29   
346-773 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-29   
346-773 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-29   
346-773 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-10   
346-774 A HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-774 0 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-04-12   
346-774 1 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-04-12   
346-774 2 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2017-03-16   
346-774 3 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-11-05   
346-774 4 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-11-05   
346-774 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-11-05   
346-774 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-11-05   
346-774 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-11-05   
346-774 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-11-05   
346-774 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-11-05   
346-776 A HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-31   
346-776 0 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-31   
346-776 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-31   
346-776 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-31   
346-776 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-31   
346-776 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-31   
346-776 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-31   
346-776 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-31   
346-776 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-31   
346-776 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-31   
346-776 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-07-08   
346-803 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-803 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-07-25   
346-803 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-07-25   
346-803 2 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-07-08   
346-803 3 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-07-08   
346-803 4 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-07-08   
346-803 5 HSTNTXJAX3Y  073H TELNYX LLC 560   2017-04-03   
346-803 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-08-06   
346-803 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-08-06   
346-803 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-08-06   
346-803 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-07-25   
346-804 A HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-804 0 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-06   
346-804 1 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-06   
346-804 2 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-06   
346-804 3 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-06   
346-804 4 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-06   
346-804 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-06   
346-804 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-06   
346-804 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-06   
346-804 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-06   
346-804 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-06   
346-822 A HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-822 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-04-04   
346-822 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-04-04   
346-822 2 HSTNTXJAXBY  965H FRACTEL, LLC 560   2022-04-03   
346-822 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-04-04   
346-822 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-04-04   
346-822 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-04-04   
346-822 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-04-04   
346-822 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-04-04   
346-822 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-04-04   
346-822 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-04-04   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.