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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-500 A San Francisco: Central DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-500 0 San Francisco: Central DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2010-11-11   
415-500 1 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-11-12   
415-500 2 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2010-12-20   
415-500 3 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2010-12-20   
415-500 4 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2010-12-20   
415-500 5 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-11-12   
415-500 6 San Francisco: Central DA CA   515J IP HORIZON LLC 722   2010-12-16   
415-500 7 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2010-12-20   
415-500 8 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2010-12-20   
415-500 9 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2010-12-20   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.