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: SNRMCA11DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
925-479 A Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-479 0 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-479 1 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-479 3 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-479 6 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-479 7 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-479 8 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-479 9 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-551 A Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-551 0 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-551 3 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-551 4 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-551 5 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-551 6 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-551 7 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-551 8 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-551 9 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-556 A Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-560 A Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-560 0 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-560 1 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-560 2 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-560 3 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-560 4 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-560 5 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-560 6 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-560 7 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-560 9 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-803 A Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-828 A Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-829 A Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-833 A Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-875 A Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-875 0 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-875 1 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-875 2 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-875 3 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-875 4 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-875 5 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-875 6 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-875 7 Dublin-San Ramon CA 9740 PACIFIC BELL 722      
925-875 9 Dublin-San Ramon CA 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.