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: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
936-278 A Waterwood TX WTWDTXXAPS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
936-278 0 Waterwood TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-07-10   
936-278 1 Waterwood TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-09-24   
936-278 2 Waterwood TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-08-23   
936-278 3 Waterwood TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-08-23   
936-278 4 Waterwood TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560   2021-06-24   
936-278 5 Waterwood TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-31   
936-278 7 Waterwood TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-03-18   
936-278 8 Waterwood TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-07-09   
936-278 9 Waterwood TX WTWDTXXAPS0  2147 WINDSTREAM SUGAR LAND, LLC 560   2018-04-13   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.