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: 459

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-459 A Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-459 0 Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-459 1 Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2004-07-31   
503-459 2 Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2004-07-31   
503-459 3 Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2004-07-31   
503-459 4 Portland OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2004-10-31   
503-459 5 Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-459 6 Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2004-07-31   
503-459 7 Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2004-07-31   
503-459 8 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2004-08-06   
503-459 9 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2004-08-06   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.