Local Calling Guide

Area code/prefix search

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NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 821

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-821 A Jefferson City MO JFCYMOXAXLX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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