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.

Switch: SNFCCA01DS2

1 2 3 4 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-392 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-394 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-397 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-403 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-403 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-403 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-403 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-403 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-403 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-403 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-403 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-403 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-403 9 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-421 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-421 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-421 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-421 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-421 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-421 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-421 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-421 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-421 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-421 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-433 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-434 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-434 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-434 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-434 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-434 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-434 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-434 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-434 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-434 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-434 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-438 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-438 1 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-438 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-438 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-438 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-438 5 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-438 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-438 7 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-438 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-477 A San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-477 0 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-477 2 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-477 3 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-477 4 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-477 6 San Francisco: Central DA CA 9740 PACIFIC BELL 722      
415-477 8 San Francisco: Central DA CA 9740 PACIFIC BELL 722      

1 2 3 4 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.