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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Switch: SANGTXCCCM0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
325-278 A San Angelo TX 6820 TEXAS COMMUNICATIONS, INC. 961      
325-279 A San Angelo TX 6820 TEXAS COMMUNICATIONS, INC. 961      
325-444 A San Angelo TX 6820 TEXAS COMMUNICATIONS, INC. 961      
325-719 A Sonora TX 6820 TEXAS COMMUNICATIONS, INC. 961      

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

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