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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-646 A San Francisco: Central DA CA SNFCCA01DS0  9740 PACIFIC BELL 722      
415-646 0 San Francisco: Central DA CA SNFCCA01DS0  9740 PACIFIC BELL 722      
415-646 1 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-07-30   
415-646 2 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-08-09   
415-646 3 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-07-30   
415-646 4 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-08-09   
415-646 5 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2005-10-02   
415-646 6 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2006-08-03   
415-646 7 San Francisco: Central DA CA SNFCCA01DS0  9740 PACIFIC BELL 722      
415-646 8 San Francisco: Central DA CA SNFCCA01DS0  9740 PACIFIC BELL 722      
415-646 9 San Francisco: Central DA CA SNFCCA01DS0  9740 PACIFIC BELL 722      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.