Local Calling Guide

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Marble Hill, MO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
573-741 9 MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2010-04-12   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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