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.

NPA: 818 [Rate centres in NPA 818] [Dial plan for NPA 818]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
818-491 A San Fernando: Granada Hills DA CA IRVECAEIDS0  7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730      
818-491 0 San Fernando: Granada Hills DA CA   7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730      
818-491 1 San Fernando: Granada Hills DA CA   7262 XO CALIFORNIA, INC. 730   2005-01-19   
818-491 2 San Fernando: Granada Hills DA CA   649C ONVOY, LLC - CA 730   2005-01-19   
818-491 3 San Fernando: Granada Hills DA CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-09-01   
818-491 4 San Fernando: Granada Hills DA CA   9262 UTILITY TELECOM GROUP, LLC - CA 730   2006-06-20   
818-491 5 San Fernando: Granada Hills DA CA   7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730      
818-491 6 San Fernando: Granada Hills DA CA   6529 T-MOBILE USA, INC. 730   2007-03-24   
818-491 7 San Fernando: Granada Hills DA CA   649C ONVOY, LLC - CA 730   2008-05-31   
818-491 8 San Fernando: Granada Hills DA CA   6529 T-MOBILE USA, INC. 730   2007-02-08   
818-491 9 San Fernando: Granada Hills DA CA   7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.