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: SHRDORXAPMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-300 A Bay City OR 792K CHARTER IP ENABLED SERVICES, LLC 672      
503-300 0 Bay City OR 792K CHARTER IP ENABLED SERVICES, LLC 672      
503-354 2 Tillamook OR 792K CHARTER IP ENABLED SERVICES, LLC 672   2008-04-16   
503-354 5 Tillamook OR 792K CHARTER IP ENABLED SERVICES, LLC 672   2013-10-24   
503-483 1 Pacific City OR 792K CHARTER IP ENABLED SERVICES, LLC 672   2009-11-05   
503-664 2 Beaver OR 792K CHARTER IP ENABLED SERVICES, LLC 672   2010-04-13   
541-418 5 Lincoln City OR 792K CHARTER IP ENABLED SERVICES, LLC 672   2016-04-08   
541-614 A Lincoln City OR 792K CHARTER IP ENABLED SERVICES, LLC 672      
541-614 0 Lincoln City OR 792K CHARTER IP ENABLED SERVICES, LLC 672   2008-04-16   
541-614 1 Lincoln City OR 792K CHARTER IP ENABLED SERVICES, LLC 672   2009-11-22   
541-764 9 Depoe Bay OR 792K CHARTER IP ENABLED SERVICES, LLC 672   2016-11-10   
971-257 A Cloverdale OR 792K CHARTER IP ENABLED SERVICES, LLC 672      
971-257 0 Cloverdale OR 792K CHARTER IP ENABLED SERVICES, LLC 672      
971-265 A Garibaldi OR 792K CHARTER IP ENABLED SERVICES, LLC 672      
971-265 1 Garibaldi OR 792K CHARTER IP ENABLED SERVICES, LLC 672      
971-306 A Rockaway OR 792K CHARTER IP ENABLED SERVICES, LLC 672      
971-306 1 Rockaway OR 792K CHARTER IP ENABLED SERVICES, LLC 672      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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