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: 936 [Rate centres in NPA 936] [Dial plan for NPA 936]

NXX: 280

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
936-280 A Center TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
936-280 0 Center TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2018-06-21   
936-280 1 Center TX HSTZTXXZ3MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-02-03   
936-280 2 Center TX HSTZTXXZ3MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-02-03   
936-280 3 Center TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-28   
936-280 4 Center TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-03-18   
936-280 5 Center TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-06-05   
936-280 6 Center TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2020-03-23   
936-280 7 Center TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-28   
936-280 8 Center TX HSTNTXJAX3Y  073H TELNYX LLC 560   2018-09-17   
936-280 9 Center TX HSTZTXXZ3MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2018-10-28   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.