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: 951

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-951 A Woodburn OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-951 0 Woodburn OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-951 1 Woodburn OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-951 2 Woodburn OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-951 3 Woodburn OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-951 4 Woodburn OR BVTNORAGDS2  326E YMAX COMMUNICATIONS CORP. - OR 672   2008-06-20   
503-951 5 Woodburn OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2004-12-13   
503-951 6 Woodburn OR BVTNORAG0MD  4980 XO OREGON, INC. 672   2007-04-29   
503-951 7 Woodburn OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-951 8 Woodburn OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2005-11-18   
503-951 9 Woodburn OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2005-10-14   

Last updated: Sat, 25 Feb 2023 02:10:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.