Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]

NXX: 785

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-785 A Clackamas OR MLWKOR17DS0  9638 QWEST CORPORATION 672      
503-785 0 Clackamas OR MLWKOR17DS0  9638 QWEST CORPORATION 672      
503-785 1 Clackamas OR MLWKOR17DS0  9638 QWEST CORPORATION 672      
503-785 2 Clackamas OR MLWKOR17DS0  9638 QWEST CORPORATION 672      
503-785 3 Clackamas OR   750E ONVOY, LLC - OR 672   2025-10-18   
503-785 4 Clackamas OR MLWKOR17DS0  9638 QWEST CORPORATION 672      
503-785 5 Clackamas OR MLWKOR17DS0  9638 QWEST CORPORATION 672      
503-785 6 Clackamas OR MLWKOR17DS0  9638 QWEST CORPORATION 672      
503-785 7 Clackamas OR MLWKOR17DS0  9638 QWEST CORPORATION 672      
503-785 8 Clackamas OR ORCYOR18DS0  9638 QWEST CORPORATION 672   2003-01-04   
503-785 9 Clackamas OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2015-05-15   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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