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: SNFCCACQDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-632 A Gilroy CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
408-633 A San Jose: South DA CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
415-428 A San Francisco: Central DA CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
415-631 A Point Reyes CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
415-976 A San Francisco: Central DA CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
510-416 A Oakland: Berkeley DA CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
510-976 A Oakland: Berkeley DA CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
650-545 A Mountain View CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
707-662 A Santa Rosa CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
831-255 A Santa Cruz CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
925-571 A Bishop Ranch CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
925-572 A Pleasanton CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
925-573 A Pittsburg CA 7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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