Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]

NXX: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-228 A Augusta MO AGSTMOXARS2  9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-228 0 Augusta MO   073H TELNYX LLC 520   2020-07-24   
636-228 1 Augusta MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2023-04-17   
636-228 2 Augusta MO   093F ONVOY, LLC - MO 520   2018-12-07   
636-228 3 Augusta MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2017-07-20   
636-228 4 Augusta MO   9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-228 5 Augusta MO   093F ONVOY, LLC - MO 520   2019-11-24   
636-228 6 Augusta MO   093F ONVOY, LLC - MO 520   2019-11-24   
636-228 8 Augusta MO   624H ONVOY SPECTRUM, LLC 520   2021-11-18   
636-228 9 Augusta MO   624H ONVOY SPECTRUM, LLC 520   2021-11-18   

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

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