Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 819

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-819 A Columbia MO CLMAMOCC1MD  6275 UNITED STATES CELLULAR - MO 521      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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