Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 766

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-766 A Belgrade MO BLGRMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-766 0 Belgrade MO   073H TELNYX LLC 520   2020-07-25   
573-766 1 Belgrade MO   624H ONVOY SPECTRUM, LLC 520   2021-07-02   
573-766 3 Belgrade MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-10-14   
573-766 4 Belgrade MO   093F ONVOY, LLC - MO 520   2019-11-25   
573-766 5 Belgrade MO   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-766 6 Belgrade MO   093F ONVOY, LLC - MO 520   2018-12-09   
573-766 7 Belgrade MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2024-09-08   
573-766 8 Belgrade MO   145J TERRA NOVA TELECOM INC. 520   2025-06-06   
573-766 9 Belgrade MO   093F ONVOY, LLC - MO 520   2021-03-07   

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

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