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: FRGVORXXCG0

Remotes:

Switch Switch name Switch type
GSTNORXXRS1  GASTON  GTR 
VRNNORXXRS0  VERNONIA  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-357 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-359 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-992 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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