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: SKTNCA01XEY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-408 A Modesto CA 7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 738   2007-08-17   
209-846 A Modesto CA 7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 738   2006-09-30   

Last updated: Sun, 31 May 2020 11:59:01 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.