Local Calling Guide

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

NXX: 296

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-296 A Hallsville MO CLMAMOXAXIX  093F ONVOY, LLC - MO 521      
573-296 0 Hallsville MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521   2013-03-23   
573-296 1 Hallsville MO   073H TELNYX LLC 521   2020-07-31   
573-296 2 Hallsville MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 521   2017-12-15   
573-296 3 Hallsville MO   093F ONVOY, LLC - MO 521   2020-07-05   
573-296 4 Hallsville MO   093F ONVOY, LLC - MO 521   2018-07-16   
573-296 5 Hallsville MO   250A CHARITON VALLEY COMMUNICATIONS CORPORATION 521   2020-06-27   
573-296 6 Hallsville MO   093F ONVOY, LLC - MO 521   2020-07-05   
573-296 8 Hallsville MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521   2015-08-09   

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

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