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: 877

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-877 A Salem OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-877 0 Salem OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-877 1 Salem OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-877 2 Salem OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-877 3 Salem OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-877 4 Salem OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-877 5 Salem OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-877 6 Salem OR BVTNORAGDS2  326E YMAX COMMUNICATIONS CORP. - OR 672      
503-877 7 Salem OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-877 8 Salem OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-877 9 Salem OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.