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.

Switch: SNDGCA0241Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
442-224 A Vista CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732      
442-231 A El Centro CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2021-01-05   
442-244 A Oceanside: Carlsbad DA CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732      
760-970 A El Centro CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732      
858-263 A La Jolla CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732      
858-412 A La Jolla CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.