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: ASTROR64DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-298 2 Astoria OR 9638 QWEST CORPORATION 672   2005-04-13   
503-325 A Astoria OR 9638 QWEST CORPORATION 672      
503-338 A Astoria OR 9638 QWEST CORPORATION 672      
503-338 0 Astoria OR 9638 QWEST CORPORATION 672      
503-338 1 Astoria OR 9638 QWEST CORPORATION 672      
503-338 2 Astoria OR 9638 QWEST CORPORATION 672      
503-338 3 Astoria OR 9638 QWEST CORPORATION 672      
503-338 4 Astoria OR 9638 QWEST CORPORATION 672      
503-338 5 Astoria OR 9638 QWEST CORPORATION 672      
503-338 6 Astoria OR 9638 QWEST CORPORATION 672      
503-338 7 Astoria OR 9638 QWEST CORPORATION 672      
503-836 4 Astoria OR 9638 QWEST CORPORATION 672   2011-04-06   

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.