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: SNRSCA01DS2

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
707-575 A Santa Rosa CA 9740 PACIFIC BELL 722      
707-576 A Santa Rosa CA 9740 PACIFIC BELL 722      
707-577 A Santa Rosa CA 9740 PACIFIC BELL 722      
707-577 0 Santa Rosa CA 9740 PACIFIC BELL 722      
707-577 1 Santa Rosa CA 9740 PACIFIC BELL 722      
707-577 2 Santa Rosa CA 9740 PACIFIC BELL 722      
707-577 3 Santa Rosa CA 9740 PACIFIC BELL 722      
707-577 4 Santa Rosa CA 9740 PACIFIC BELL 722      
707-577 5 Santa Rosa CA 9740 PACIFIC BELL 722      
707-577 6 Santa Rosa CA 9740 PACIFIC BELL 722      
707-577 7 Santa Rosa CA 9740 PACIFIC BELL 722      
707-577 8 Santa Rosa CA 9740 PACIFIC BELL 722      
707-578 A Santa Rosa CA 9740 PACIFIC BELL 722      
707-579 A Santa Rosa CA 9740 PACIFIC BELL 722      
707-591 A Santa Rosa CA 9740 PACIFIC BELL 722      
707-591 0 Santa Rosa CA 9740 PACIFIC BELL 722      
707-591 2 Santa Rosa CA 9740 PACIFIC BELL 722      
707-591 7 Santa Rosa CA 9740 PACIFIC BELL 722      
707-591 8 Santa Rosa CA 9740 PACIFIC BELL 722      
707-591 9 Santa Rosa CA 9740 PACIFIC BELL 722      
707-808 A Santa Rosa CA 9740 PACIFIC BELL 722      
707-817 A Santa Rosa CA 9740 PACIFIC BELL 722      

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

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