Local Calling Guide

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

NXX: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-646 A Bland MO BLNDMOXARS0  9787 BRIGHTSPEED OF MISSOURI, LLC 520      
573-646 0 Bland MO   073H TELNYX LLC 520   2020-07-26   
573-646 1 Bland MO   145J TERRA NOVA TELECOM INC. 520   2025-06-06   
573-646 2 Bland MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-10-14   
573-646 3 Bland MO   9787 BRIGHTSPEED OF MISSOURI, LLC 520      
573-646 4 Bland MO   093F ONVOY, LLC - MO 520   2019-11-25   
573-646 5 Bland MO   9787 BRIGHTSPEED OF MISSOURI, LLC 520      
573-646 6 Bland MO   093F ONVOY, LLC - MO 520   2017-12-11   
573-646 8 Bland MO   093F ONVOY, LLC - MO 520   2019-11-25   
573-646 9 Bland MO   093F ONVOY, LLC - MO 520   2021-03-07   

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

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