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.

Rocksprings, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
830-683 A CMWDTXXADS0  2135 SOUTHWEST TEXAS TEL. CO. 566      
830-834 A SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-834 0 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-834 5 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-834 9 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2015-02-27   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.