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.
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Switch: RTPKCA11RPA

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
707-206 A Santa Rosa CA 9740 PACIFIC BELL 722      
707-206 0 Santa Rosa CA 9740 PACIFIC BELL 722      
707-206 3 Santa Rosa CA 9740 PACIFIC BELL 722      
707-206 9 Santa Rosa CA 9740 PACIFIC BELL 722      
707-584 A Santa Rosa CA 9740 PACIFIC BELL 722      
707-584 0 Santa Rosa CA 9740 PACIFIC BELL 722      
707-584 1 Santa Rosa CA 9740 PACIFIC BELL 722      
707-584 2 Santa Rosa CA 9740 PACIFIC BELL 722      
707-584 3 Santa Rosa CA 9740 PACIFIC BELL 722      
707-584 4 Santa Rosa CA 9740 PACIFIC BELL 722      
707-584 5 Santa Rosa CA 9740 PACIFIC BELL 722      
707-584 7 Santa Rosa CA 9740 PACIFIC BELL 722      
707-584 8 Santa Rosa CA 9740 PACIFIC BELL 722      
707-584 9 Santa Rosa CA 9740 PACIFIC BELL 722      
707-585 A Santa Rosa CA 9740 PACIFIC BELL 722      
707-586 A Santa Rosa CA 9740 PACIFIC BELL 722      
707-588 A Santa Rosa CA 9740 PACIFIC BELL 722      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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