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: 325 [Rate centres in NPA 325] [Dial plan for NPA 325]

NXX: 292

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
325-292 A San Angelo TX SANGTX01XKX  073H TELNYX LLC 961      
325-292 0 San Angelo TX SANGTX01XKX  073H TELNYX LLC 961   2021-06-28   
325-292 4 San Angelo TX SANGTX01XLX  197D VONAGE AMERICA LLC 961   2024-04-25   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.