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: PTLDORWAXDX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-869 A Vancouver WA 508J CENTURYLINK COMMUNICATIONS, LLC 672      
541-919 A Athena OR 508J CENTURYLINK COMMUNICATIONS, LLC 672      
971-274 A Gresham OR 508J CENTURYLINK COMMUNICATIONS, LLC 672      
971-316 A Grand Island OR 508J CENTURYLINK COMMUNICATIONS, LLC 672      
971-318 A Amity OR 508J CENTURYLINK COMMUNICATIONS, LLC 672      
971-802 A Sheridan OR 508J CENTURYLINK COMMUNICATIONS, LLC 672      
971-940 A Portland OR 508J CENTURYLINK COMMUNICATIONS, LLC 672      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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