Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Beaufort, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
573-206 A STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-206 0   073H TELNYX LLC 520   2018-07-23   
573-206 1   073H TELNYX LLC 520   2021-03-25   
573-206 2   073H TELNYX LLC 520   2022-07-22   
573-206 3   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2007-05-02   
573-206 4   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-01-23   
573-206 6   624H ONVOY SPECTRUM, LLC 520   2021-11-18   
573-206 7   073H TELNYX LLC 520   2023-05-26   
573-206 8   993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-09-17   
573-206 9   993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-01-18   
573-484 A BUFTMOHURS3  9533 SOUTHWESTERN BELL 520      
573-484 1   9533 SOUTHWESTERN BELL 520      
573-484 2   516C AT&T CORP. 520   2011-05-20   
573-484 3   9533 SOUTHWESTERN BELL 520      
573-484 4   145J TERRA NOVA TELECOM INC. 520   2024-09-14   
573-484 5   506E AURORA COMMUNICATIONS, INC. - MO 520   2008-10-10   
573-484 6   993E BANDWIDTH.COM CLEC, LLC - MO 520   2012-05-31   
573-484 7   624H ONVOY SPECTRUM, LLC 520   2021-07-02   
573-484 8   093F ONVOY, LLC - MO 520   2016-09-26   
573-954 A STLSMOGZ8MD  939H COMMIO, LLC 520      
573-954 0   939H COMMIO, LLC 520   2023-10-12   
573-954 1   939H COMMIO, LLC 520   2023-10-12   
573-954 2   939H COMMIO, LLC 520   2023-10-12   
573-954 3   939H COMMIO, LLC 520   2023-10-12   
573-954 4   939H COMMIO, LLC 520   2023-10-12   
573-954 5   515J IP HORIZON LLC 520   2023-12-29   
573-954 6   515J IP HORIZON LLC 520   2023-12-29   

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

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