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: 760 [Rate centres in NPA 760] [Dial plan for NPA 760]

NXX: 733

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
760-733 A Baker CA BAKRCA11RS0  9740 PACIFIC BELL 730      
760-733 1 Baker CA   9740 PACIFIC BELL 730      
760-733 3 Baker CA   649C ONVOY, LLC - CA 730   2007-04-01   
760-733 4 Baker CA   9740 PACIFIC BELL 730      
760-733 5 Baker CA   508J CENTURYLINK COMMUNICATIONS, LLC 730   2014-07-17   
760-733 6 Baker CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-12-21   
760-733 7 Baker CA   9262 UTILITY TELECOM GROUP, LLC - CA 730   2009-02-03   
760-733 8 Baker CA   649C ONVOY, LLC - CA 730   2002-12-21   
760-733 9 Baker CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-03-28   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.