Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
573-548 A MNTKMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-548 0   073H TELNYX LLC 520   2020-08-02   
573-548 2   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-548 4   093F ONVOY, LLC - MO 520   2018-12-08   
573-548 5   145J TERRA NOVA TELECOM INC. 520   2025-07-04   
573-548 7   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-928 A STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-928 2   093F ONVOY, LLC - MO 520   2019-11-23   
573-928 3   093F ONVOY, LLC - MO 520   2019-11-23   
573-928 4   093F ONVOY, LLC - MO 520   2021-03-06   
573-928 7   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-10-14   

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

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