Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
636-205 A STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-205 0   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2006-01-27   
636-205 1   093F ONVOY, LLC - MO 520   2019-05-20   
636-205 2   093F ONVOY, LLC - MO 520   2018-12-07   
636-205 3   073H TELNYX LLC 520   2020-08-08   
636-205 4   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-205 5   093F ONVOY, LLC - MO 520   2019-11-25   
636-205 6   093F ONVOY, LLC - MO 520   2019-11-25   
636-205 8   093F ONVOY, LLC - MO 520   2019-05-20   
636-205 9   093F ONVOY, LLC - MO 520   2021-03-06   
636-264 A STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-264 0   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-264 1   093F ONVOY, LLC - MO 520   2021-03-06   
636-264 2   093F ONVOY, LLC - MO 520   2020-07-04   
636-264 3   093F ONVOY, LLC - MO 520   2020-07-04   
636-264 4   624H ONVOY SPECTRUM, LLC 520   2020-08-05   
636-264 5   624H ONVOY SPECTRUM, LLC 520   2020-08-05   
636-264 6   624H ONVOY SPECTRUM, LLC 520   2020-08-05   
636-264 7   508J CENTURYLINK COMMUNICATIONS, LLC 520   2013-10-14   
636-264 8   093F ONVOY, LLC - MO 520   2020-11-05   
636-264 9   093F ONVOY, LLC - MO 520   2020-11-05   
636-668 A WNFDMOXARS0  9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-668 0   073H TELNYX LLC 520   2022-09-16   
636-668 2   093F ONVOY, LLC - MO 520   2021-10-03   
636-668 3   624H ONVOY SPECTRUM, LLC 520   2021-11-18   
636-668 5   624H ONVOY SPECTRUM, LLC 520   2021-11-18   
636-668 6   9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-668 7   145J TERRA NOVA TELECOM INC. 520   2025-07-14   
636-668 8   9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-668 9   624H ONVOY SPECTRUM, LLC 520   2021-11-16   

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

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