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.
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Yantis, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
430-308 A   793K TWC IP ENABLED SERVICES, LLC 552      
430-308 1   793K TWC IP ENABLED SERVICES, LLC 552   2022-12-25   
430-308 8 DLLSTXRIXYY  318C CEBRIDGE TELECOM TX , L.P. - TX 552   2023-02-28   
903-383 A CMPBTXXADS0  2130 PEOPLES TEL. COOP. 552      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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