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: FNDLCAXFDS0

Remotes:

Switch Switch name Switch type
PTRLCAXFRS0  PETROLIA  DC2 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
707-786 A Ferndale CA 2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 722      
707-786 0 Ferndale CA 2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 722      
707-786 4 Ferndale CA 2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 722      
707-786 5 Ferndale CA 2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 722      
707-786 9 Ferndale CA 2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 722      

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

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