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: 926

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-926 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-926 0 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-926 1 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-926 2 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-926 3 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-926 4 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-926 5 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-926 6 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-926 7 Portland OR BVTNORAGDS2  326E YMAX COMMUNICATIONS CORP. - OR 672      
503-926 8 Portland OR BVTNORAGDS2  326E YMAX COMMUNICATIONS CORP. - OR 672      
503-926 9 Portland OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.