Local Calling Guide

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Charles City, IA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-715 8   3620 OMNITEL COMMUNICATIONS, INC. - IA 632   2017-04-13   
641-715 9   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2010-04-02   

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

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