Local Calling Guide

Area code/prefix search

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

NXX: 859

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-859 A Lyons OR LYNSORXARS0  2391 PEOPLES TEL. CO. 672      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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