Local Calling Guide

Area code/prefix search

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

NXX: 392

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-392 A Eldon MO ELDNMOEXDSA  9533 SOUTHWESTERN BELL 520      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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