Local Calling Guide

Area code/prefix search

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NPA: 563 [Rate centres in NPA 563] [Dial plan for NPA 563]

NXX: 863

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-863 A Postville IA PTVLIA07RS0  859H NEIT SERVICES LLC - IA 635      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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