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.

Tuscola, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
325-554 A HWLYTXXADS0  2151 TAYLOR TEL. COOP., INC. 550      

Last updated: Wed, 01 Dec 2021 01:40:16 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.