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.

Switch: DELNTXXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-639 A Carbon TX 2060 TOTELCOM COMMUNICATIONS, LLC 552      
254-653 A Olden TX 2060 TOTELCOM COMMUNICATIONS, LLC 552      
254-734 A Gorman TX 2060 TOTELCOM COMMUNICATIONS, LLC 552      
254-758 A Desdemona TX 2060 TOTELCOM COMMUNICATIONS, LLC 552      
254-842 A Sidney TX 2060 TOTELCOM COMMUNICATIONS, LLC 552      
254-879 A Proctor TX 2060 TOTELCOM COMMUNICATIONS, LLC 552      
254-893 A De Leon TX 2060 TOTELCOM COMMUNICATIONS, LLC 552      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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