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: 549

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
936-549 A Devers TX DVRSTXXARS2  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
936-549 0 Devers TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-03-02   
936-549 1 Devers TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-03-02   
936-549 2 Devers TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2012-01-13   
936-549 3 Devers TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2013-01-10   
936-549 4 Devers TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2013-04-24   
936-549 5 Devers TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2013-04-24   
936-549 6 Devers TX HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560   2015-05-20   
936-549 7 Devers TX DVRSTXXARS2  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
936-549 8 Devers TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2011-11-18   
936-549 9 Devers TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-11   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.