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.

NPA: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

Block: A

<< 1 2 3 4 5 6 7

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-809 A Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-06-20   
346-810 A Dickinson TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560      
346-812 A Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-813 A Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-814 A Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-815 A Apollo TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-816 A Arcola TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-818 A Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-819 A Humble TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2025-02-09   
346-820 A Barker TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2025-02-09   
346-821 A Splendora TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-07-06   
346-822 A Houston Suburban TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-823 A Langham Creek TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2024-07-12   
346-824 A Barker TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-07-20   
346-825 A Cleveland TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2024-07-21   
346-826 A Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-07-28   
346-827 A Katy TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2024-07-29   
346-828 A Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-08-01   
346-829 A Sugar Land TX HSTNTX01X7X  516C AT&T CORP. 560   2024-10-14   
346-830 A Houston TX HSTNTXJAX7Z  0051 SHELCOMM 560   2024-11-17   
346-831 A Spring TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-832 A Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2024-09-17   
346-833 A Houston TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-834 A Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
346-835 A Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2024-09-17   
346-836 A Sugar Land TX HSTNTXJAX7Z  0051 SHELCOMM 560   2024-11-17   
346-837 A Bammel TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560      
346-838 A Highlands TX HSTNTXJAX7Z  0051 SHELCOMM 560   2024-11-17   
346-839 A Apollo TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2024-11-30   
346-840 A Richmond-Rosenberg TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-841 A Beach City TX HSTNTXJAX1Z  839J EON TELECOM, INC. 560   2024-11-28   
346-842 A Humble TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-843 A Richmond-Rosenberg TX HSTNTX01X7X  516C AT&T CORP. 560      
346-844 A Deer Park TX HSTNTXJAX1Z  839J EON TELECOM, INC. 560   2024-11-28   
346-845 A Houston TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2024-12-20   
346-846 A Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-01-04   
346-847 A Langham Creek TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-01-26   
346-848 A Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-01-26   
346-849 A Langham Creek TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-03-03   
346-850 A Cypress TX   903C ONVOY, LLC - TX 560   2025-03-02   
346-851 A Katy TX   903C ONVOY, LLC - TX 560   2025-03-02   
346-852 A Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-03-03   
346-853 A Houston Suburban TX   515J IP HORIZON LLC 560   2025-04-03   
346-854 A Kemah TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2025-02-02   
346-855 A Baytown TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-856 A Channelview TX   515J IP HORIZON LLC 560   2025-04-03   
346-857 A Richmond-Rosenberg TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-858 A Cleveland TX   515J IP HORIZON LLC 560   2025-04-03   
346-859 A Sugar Land TX   903C ONVOY, LLC - TX 560   2025-04-06   
346-860 A Houston TX   490J DISH WIRELESS, LLC 560   2025-04-14   
346-861 A Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-09-13   
346-862 A Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-863 A Houston TX   733J WIRETAP TELECOM, LLC. 560   2025-05-12   
346-864 A Dickinson TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-02   
346-865 A Satsuma TX   624H ONVOY SPECTRUM, LLC 560   2025-06-09   
346-866 A Valley Lodge TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-867 A Houston TX HSTNTX362MD  939H COMMIO, LLC 560      
346-868 A Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-869 A Houston Suburban TX   490J DISH WIRELESS, LLC 560   2025-06-19   
346-870 A Langham Creek TX   490J DISH WIRELESS, LLC 560   2025-07-07   
346-871 A Stafford TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-13   
346-872 A Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-07-25   
346-874 A Sugar Land TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-877 A Deer Park TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-888 A Houston Suburban TX HSTNTXJADS6  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 560      
346-895 A Houston TX HSTNTXYANMD  506J TWILIO INTERNATIONAL, INC. 560      
346-899 A Stafford TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-900 A Sugar Land TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-901 A Sugar Land TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-902 A Dickinson TX DCSNTXXAPMD  624H ONVOY SPECTRUM, LLC 560      
346-907 A Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-908 A Smithers Lake TX HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560      
346-910 A Mont Belvieu TX BYTWTXXAHMD  903C ONVOY, LLC - TX 560      
346-917 A Channelview TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-922 A Brookshire TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-932 A Houston TX HSTNTXSXDS1  8833 LOGIX COMMUNICATIONS CORPORATION - TX 560      
346-933 A Richmond-Rosenberg TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-941 A Channelview TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-01-04   
346-946 A Cypress TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-954 A Deer Park TX HSTNTX01X7X  516C AT&T CORP. 560      
346-955 A Dickinson TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-966 A Porter TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-970 A Bammel TX HSTATX750MD  829J PAETEC ITEL, LLC 560   2025-01-23   
346-971 A Houston TX HSTNTXHODS0  9533 SOUTHWESTERN BELL 560      
346-977 A Baytown TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-978 A Langham Creek TX HSTNTX01X7X  516C AT&T CORP. 560      
346-980 A Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-988 A Cleveland TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-998 A Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
346-999 A Huffman TX HSTNTXJADS6  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 560      

<< 1 2 3 4 5 6 7

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.