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.

Big Valley, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
325-336 A SANGTXXAXMX  965H FRACTEL, LLC 961      
325-336 8   965H FRACTEL, LLC 961   2021-03-12   
325-938 A GLDTTXXCDS0  2052 CENTRAL TEXAS TEL. COOP., INC. 961      
325-938 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 961      
325-938 1   2052 CENTRAL TEXAS TEL. COOP., INC. 961      
325-938 2   2052 CENTRAL TEXAS TEL. COOP., INC. 961      
325-938 3   2052 CENTRAL TEXAS TEL. COOP., INC. 961      
325-938 4   2052 CENTRAL TEXAS TEL. COOP., INC. 961      
325-938 5   2052 CENTRAL TEXAS TEL. COOP., INC. 961      
325-938 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 961      
325-938 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 961      
325-938 8   2052 CENTRAL TEXAS TEL. COOP., INC. 961      
325-938 9   2052 CENTRAL TEXAS TEL. COOP., INC. 961      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.