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.

NPA: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]

NXX: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-483 A Pacific City OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-483 0 Pacific City OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-483 1 Pacific City OR SHRDORXACMD  352D CHARTER FIBERLINK OR-CCVII, LLC - OR 672      
503-483 2 Pacific City OR THDLORXAFMD  750E ONVOY, LLC - OR 672      
503-483 3 Pacific City OR PTLDORWAXKY  936F ASTOUND BROADBAND, LLC - OR 672      
503-483 4 Pacific City OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-483 5 Pacific City OR THDLORXAFMD  750E ONVOY, LLC - OR 672      
503-483 6 Pacific City OR THDLORXAFMD  750E ONVOY, LLC - OR 672      
503-483 7 Pacific City OR PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672      
503-483 8 Pacific City OR THDLORXAFMD  750E ONVOY, LLC - OR 672      
503-483 9 Pacific City OR PTLDOR13XDX  478J NUSO, LLC 672      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.