Local Calling Guide

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

NXX: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-345 A Climax Springs MO CLSPMONORS7  9533 SOUTHWESTERN BELL 520      
573-345 0 Climax Springs MO   145J TERRA NOVA TELECOM INC. 520   2025-10-09   
573-345 1 Climax Springs MO   9533 SOUTHWESTERN BELL 520      
573-345 2 Climax Springs MO   093F ONVOY, LLC - MO 520   2018-03-17   
573-345 3 Climax Springs MO   9533 SOUTHWESTERN BELL 520      
573-345 4 Climax Springs MO   9533 SOUTHWESTERN BELL 520      
573-345 5 Climax Springs MO   093F ONVOY, LLC - MO 520   2020-11-08   
573-345 6 Climax Springs MO   506E AURORA COMMUNICATIONS, INC. - MO 520   2009-06-13   
573-345 8 Climax Springs MO   073H TELNYX LLC 520   2018-10-24   
573-345 9 Climax Springs MO   093F ONVOY, LLC - MO 520   2019-02-02   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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