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: TGRDORXACG0

Remotes:

Switch Switch name Switch type
SCHLORXXRS1  SCHOLLS  GTR 
STFRORXXRS1  STAFFORD  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-431 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-443 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-453 A Portland OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-598 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-603 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-620 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-624 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-639 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-670 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-684 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-968 A Beaverton OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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