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: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
936-304 A Hull TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
936-304 0 Hull TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2015-09-18   
936-304 1 Hull TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2015-09-19   
936-304 2 Hull TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-12   
936-304 3 Hull TX HSTNTXJAX3Y  073H TELNYX LLC 560   2018-12-07   
936-304 4 Hull TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2025-01-23   
936-304 5 Hull TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-03-18   
936-304 7 Hull TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-14   
936-304 8 Hull TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-14   
936-304 9 Hull TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-07-09   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.