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: SNJSCA15DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-223 A San Jose: South DA CA 9740 PACIFIC BELL 722      
408-223 0 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-223 1 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-223 2 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-223 3 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-223 4 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-223 6 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-223 7 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-223 8 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-223 9 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-238 A San Jose: South DA CA 9740 PACIFIC BELL 722      
408-239 A San Jose: South DA CA 9740 PACIFIC BELL 722      
408-239 0 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-239 1 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-239 2 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-239 5 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-239 8 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-270 A San Jose: South DA CA 9740 PACIFIC BELL 722      
408-274 A San Jose: South DA CA 9740 PACIFIC BELL 722      
408-528 A San Jose: South DA CA 9740 PACIFIC BELL 722      
408-528 0 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-528 1 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-528 3 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-528 6 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-528 7 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-528 8 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-528 9 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-531 A San Jose: South DA CA 9740 PACIFIC BELL 722      
408-531 0 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-531 1 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-531 2 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-531 3 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-531 8 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-531 9 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-532 A San Jose: South DA CA 9740 PACIFIC BELL 722      
408-532 0 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-532 1 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-532 2 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-532 4 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-532 6 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-532 7 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-532 8 San Jose: South DA CA 9740 PACIFIC BELL 722      
408-532 9 San Jose: South DA CA 9740 PACIFIC BELL 722      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.