Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • 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.

Last updated: Fri, 17 May 2013 01:26:12 UTC

How to use this page

NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 920

NPA-NXX-X Rate Centre Region Switch OCN LATA Eff date Disc date Map
972-920 De Soto TX DLLSTX97DS8 8833 LOGIX COMMUNICATIONS CORPORATION - TX [link] 552 map
972-920-0 De Soto TX 8833 LOGIX COMMUNICATIONS CORPORATION - TX [link] 552 map
972-920-1 De Soto TX 8833 LOGIX COMMUNICATIONS CORPORATION - TX [link] 552
972-920-2 De Soto TX 8833 LOGIX COMMUNICATIONS CORPORATION - TX [link] 552
972-920-3 De Soto TX 612D 360NETWORKS (USA) INC. - TX [link] 552 2012-12-14
972-920-4 De Soto TX 8833 LOGIX COMMUNICATIONS CORPORATION - TX [link] 552
972-920-5 De Soto TX 516C SBC INTERNET SERVICES, INC. [link] 552 2011-03-03
972-920-6 De Soto TX 004F BANDWIDTH.COM CLEC, LLC - TX [link] 552 2010-10-28
972-920-7 De Soto TX 8833 LOGIX COMMUNICATIONS CORPORATION - TX [link] 552
972-920-8 De Soto TX 8833 LOGIX COMMUNICATIONS CORPORATION - TX [link] 552
972-920-9 De Soto TX 8833 LOGIX COMMUNICATIONS CORPORATION - TX [link] 552


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