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: PTLDOR13XFX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-210 A Camas WA 318J COMCAST IP PHONE, LLC 672      
360-309 A Ridgefield WA 318J COMCAST IP PHONE, LLC 672      
360-947 A Vancouver WA 318J COMCAST IP PHONE, LLC 672      
503-336 A Beaverton OR 318J COMCAST IP PHONE, LLC 672      
503-908 A Clackamas OR 318J COMCAST IP PHONE, LLC 672      
503-912 A Gresham OR 318J COMCAST IP PHONE, LLC 672      
503-974 A Clackamas OR 318J COMCAST IP PHONE, LLC 672      
503-987 A Scappoose OR 318J COMCAST IP PHONE, LLC 672      
564-221 A Battle Ground WA 318J COMCAST IP PHONE, LLC 672      
971-243 A Newberg OR 318J COMCAST IP PHONE, LLC 672      
971-317 A Beaverton OR 318J COMCAST IP PHONE, LLC 672      
971-346 A Portland OR 318J COMCAST IP PHONE, LLC 672      
971-360 A Portland OR 318J COMCAST IP PHONE, LLC 672      
971-373 A Portland OR 318J COMCAST IP PHONE, LLC 672      
971-383 A Portland OR 318J COMCAST IP PHONE, LLC 672      
971-384 A Beaverton OR 318J COMCAST IP PHONE, LLC 672      
971-386 A Portland OR 318J COMCAST IP PHONE, LLC 672      
971-727 A Beaverton OR 318J COMCAST IP PHONE, LLC 672      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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