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: SONMCA12DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
707-933 A Sonoma CA 9740 PACIFIC BELL 722      
707-933 0 Sonoma CA 9740 PACIFIC BELL 722      
707-933 1 Sonoma CA 9740 PACIFIC BELL 722      
707-933 2 Sonoma CA 9740 PACIFIC BELL 722      
707-933 3 Sonoma CA 9740 PACIFIC BELL 722      
707-933 4 Sonoma CA 9740 PACIFIC BELL 722      
707-933 8 Sonoma CA 9740 PACIFIC BELL 722      
707-933 9 Sonoma CA 9740 PACIFIC BELL 722      
707-935 A Sonoma CA 9740 PACIFIC BELL 722      
707-938 A Sonoma CA 9740 PACIFIC BELL 722      
707-938 0 Sonoma CA 9740 PACIFIC BELL 722      
707-938 1 Sonoma CA 9740 PACIFIC BELL 722      
707-938 2 Sonoma CA 9740 PACIFIC BELL 722      
707-938 3 Sonoma CA 9740 PACIFIC BELL 722      
707-938 4 Sonoma CA 9740 PACIFIC BELL 722      
707-938 5 Sonoma CA 9740 PACIFIC BELL 722      
707-938 6 Sonoma CA 9740 PACIFIC BELL 722      
707-938 8 Sonoma CA 9740 PACIFIC BELL 722      
707-938 9 Sonoma CA 9740 PACIFIC BELL 722      
707-939 A Sonoma CA 9740 PACIFIC BELL 722      
707-939 0 Sonoma CA 9740 PACIFIC BELL 722      
707-939 1 Sonoma CA 9740 PACIFIC BELL 722      
707-939 2 Sonoma CA 9740 PACIFIC BELL 722      
707-939 3 Sonoma CA 9740 PACIFIC BELL 722      
707-939 4 Sonoma CA 9740 PACIFIC BELL 722      
707-939 6 Sonoma CA 9740 PACIFIC BELL 722      
707-939 7 Sonoma CA 9740 PACIFIC BELL 722      
707-939 8 Sonoma CA 9740 PACIFIC BELL 722      
707-939 9 Sonoma CA 9740 PACIFIC BELL 722      
707-996 A Sonoma CA 9740 PACIFIC BELL 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.