Local Calling Guide

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Bismarck, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
573-734 A BSMRMOPERS0  9533 SOUTHWESTERN BELL 520      
573-734 0   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2012-10-15   
573-734 1   9533 SOUTHWESTERN BELL 520      
573-734 2   9533 SOUTHWESTERN BELL 520      
573-734 3   515J IP HORIZON LLC 520   2023-12-30   
573-734 4   515J IP HORIZON LLC 520   2013-12-19   
573-734 5   073H TELNYX LLC 520   2019-09-30   
573-734 6   9533 SOUTHWESTERN BELL 520      
573-734 7   508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-21   
573-734 8   792K CHARTER IP ENABLED SERVICES, LLC 520   2005-12-22   
573-734 9   515J IP HORIZON LLC 520   2023-12-30   
573-955 A STLSMO09WMD  516C AT&T CORP. 520      
573-955 0   093F ONVOY, LLC - MO 520   2016-09-26   
573-955 1   093F ONVOY, LLC - MO 520   2016-09-26   
573-955 5   965H FRACTEL, LLC 520   2020-01-11   
573-955 6   624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-955 7   516C AT&T CORP. 520   2010-01-25   
573-955 8   093F ONVOY, LLC - MO 520   2019-05-07   
573-955 9   093F ONVOY, LLC - MO 520   2019-05-07   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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