Local Calling Guide

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

NXX: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-250 A Clarksville MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-250 0 Clarksville MO   093F ONVOY, LLC - MO 520   2019-02-02   
573-250 2 Clarksville MO   093F ONVOY, LLC - MO 520   2019-05-07   
573-250 3 Clarksville MO   093F ONVOY, LLC - MO 520   2019-05-07   
573-250 4 Clarksville MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-01-23   
573-250 5 Clarksville MO   516C AT&T CORP. 520   2011-05-20   
573-250 6 Clarksville MO   6123 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2018-11-01   
573-250 7 Clarksville MO   093F ONVOY, LLC - MO 520   2016-04-04   
573-250 8 Clarksville MO   093F ONVOY, LLC - MO 520   2016-04-04   
573-250 9 Clarksville MO   093F ONVOY, LLC - MO 520   2019-02-02   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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