Local Calling Guide

Area code/prefix search

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NPA: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]

NXX: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-458 A Knappa OR KNPPORXADS0  2395 CENTURYTEL OF OREGON, INC. DBA CENTURYLINK 672      

Last updated: Sat, 25 Feb 2023 02:10:49 UTC

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