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: 415 [Rate centres in NPA 415] [Dial plan for NPA 415]

NXX: 322

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-322 A Mill Valley CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-322 0 Mill Valley CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-29   
415-322 1 Mill Valley CA   515J IP HORIZON LLC 722      
415-322 2 Mill Valley CA   515J IP HORIZON LLC 722      
415-322 3 Mill Valley CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-09   
415-322 4 Mill Valley CA   515J IP HORIZON LLC 722      
415-322 5 Mill Valley CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-03-14   
415-322 6 Mill Valley CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-04-04   
415-322 7 Mill Valley CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-19   
415-322 8 Mill Valley CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
415-322 9 Mill Valley CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.