Local Calling Guide

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

NXX: 368

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-368 A Nehalem OR NHLMORXADS0  2387 NEHALEM TELECOMMS, INC. DBA NEHALEM TEL & TEL 672      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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