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: MMVLORXXDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-434 A McMinnville OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-435 A McMinnville OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-472 A McMinnville OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-474 A McMinnville OR 4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      

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

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.