Local Calling Guide

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Clark, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
573-641 A CLRKMOXARS0  9784 BRIGHTSPEED OF MISSOURI, LLC 521      
573-641 0 JFCYMOXAXSX  073H TELNYX LLC 521   2020-07-30   
573-641 1   792K CHARTER IP ENABLED SERVICES, LLC 521   2024-11-10   
573-641 2 CLMAMOXAXIX  093F ONVOY, LLC - MO 521   2019-11-29   
573-641 3 CLMAMOXAXIX  093F ONVOY, LLC - MO 521   2019-09-02   
573-641 4 CLMAMOWB0MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 521   2013-08-26   
573-641 5 CLRKMOXARS0  9784 BRIGHTSPEED OF MISSOURI, LLC 521      
573-641 8 CLMAMOXAXIX  093F ONVOY, LLC - MO 521   2019-11-29   
573-641 9 CLRKMOXARS0  9784 BRIGHTSPEED OF MISSOURI, LLC 521      

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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