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: FRMTCA11DS0

1 2 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-248 1 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722   2002-07-29   
510-248 2 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722   2002-07-29   
510-248 3 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722   2002-07-29   
510-248 5 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722   2002-07-29   
510-248 6 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722   2002-07-29   
510-248 7 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722   2002-07-29   
510-248 8 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722   2002-07-29   
510-284 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-284 0 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-284 1 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-284 4 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-284 6 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-284 8 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-494 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-505 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-505 0 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-505 1 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-505 2 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-505 3 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-505 5 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-505 6 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-505 7 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-505 9 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-574 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-574 0 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-574 1 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-574 2 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-574 3 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-574 4 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-608 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-608 0 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-608 1 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-608 3 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-608 4 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-608 5 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-608 6 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-608 7 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-608 8 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-608 9 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-713 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-739 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-739 0 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-739 1 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-739 2 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-739 3 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-739 5 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-739 6 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-739 8 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-739 9 Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-742 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      

1 2 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.