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: NOVTCAXFDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-209 A Novato CA 2319 FRONTIER CALIFORNIA INC. 722      
415-209 0 Novato CA 2319 FRONTIER CALIFORNIA INC. 722      
415-209 1 Novato CA 2319 FRONTIER CALIFORNIA INC. 722      
415-209 2 Novato CA 2319 FRONTIER CALIFORNIA INC. 722      
415-209 6 Novato CA 2319 FRONTIER CALIFORNIA INC. 722      
415-209 7 Novato CA 2319 FRONTIER CALIFORNIA INC. 722      
415-209 9 Novato CA 2319 FRONTIER CALIFORNIA INC. 722      
415-892 A Novato CA 2319 FRONTIER CALIFORNIA INC. 722      
415-893 A Novato CA 2319 FRONTIER CALIFORNIA INC. 722      
415-897 A Novato CA 2319 FRONTIER CALIFORNIA INC. 722      
415-898 A Novato CA 2319 FRONTIER CALIFORNIA INC. 722      
415-899 A Novato CA 2319 FRONTIER CALIFORNIA INC. 722      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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