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: PTLDOR12DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-249 A Portland OR 9638 QWEST CORPORATION 672      
503-280 A Portland OR 9638 QWEST CORPORATION 672      
503-281 A Portland OR 9638 QWEST CORPORATION 672      
503-282 A Portland OR 9638 QWEST CORPORATION 672      
503-284 A Portland OR 9638 QWEST CORPORATION 672      
503-287 A Portland OR 9638 QWEST CORPORATION 672      
503-288 A Portland OR 9638 QWEST CORPORATION 672      
503-331 A Portland OR 9638 QWEST CORPORATION 672      
503-335 A Portland OR 9638 QWEST CORPORATION 672      
503-384 3 Portland OR 9638 QWEST CORPORATION 672      
503-384 4 Portland OR 9638 QWEST CORPORATION 672      
503-384 6 Portland OR 9638 QWEST CORPORATION 672      
503-460 A Portland OR 9638 QWEST CORPORATION 672      
503-460 0 Portland OR 9638 QWEST CORPORATION 672      
503-460 1 Portland OR 9638 QWEST CORPORATION 672      
503-460 2 Portland OR 9638 QWEST CORPORATION 672      
503-460 3 Portland OR 9638 QWEST CORPORATION 672      
503-460 4 Portland OR 9638 QWEST CORPORATION 672      
503-460 5 Portland OR 9638 QWEST CORPORATION 672      
503-460 6 Portland OR 9638 QWEST CORPORATION 672      
503-460 8 Portland OR 9638 QWEST CORPORATION 672      
503-460 9 Portland OR 9638 QWEST CORPORATION 672      
503-493 A Portland OR 9638 QWEST CORPORATION 672      
503-528 A Portland OR 9638 QWEST CORPORATION 672      
503-528 0 Portland OR 9638 QWEST CORPORATION 672      
503-528 1 Portland OR 9638 QWEST CORPORATION 672      
503-528 2 Portland OR 9638 QWEST CORPORATION 672      
503-528 3 Portland OR 9638 QWEST CORPORATION 672      
503-528 5 Portland OR 9638 QWEST CORPORATION 672      
503-528 7 Portland OR 9638 QWEST CORPORATION 672      
503-528 8 Portland OR 9638 QWEST CORPORATION 672      
503-528 9 Portland OR 9638 QWEST CORPORATION 672      
503-893 6 Portland OR 9638 QWEST CORPORATION 672   2010-03-12   
503-893 7 Portland OR 9638 QWEST CORPORATION 672   2010-03-12   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.