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: 264

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-264 A Winfield MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-264 0 Winfield MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-264 1 Winfield MO   093F ONVOY, LLC - MO 520   2021-03-06   
636-264 2 Winfield MO   093F ONVOY, LLC - MO 520   2020-07-04   
636-264 3 Winfield MO   093F ONVOY, LLC - MO 520   2020-07-04   
636-264 4 Winfield MO   624H ONVOY SPECTRUM, LLC 520   2020-08-05   
636-264 5 Winfield MO   624H ONVOY SPECTRUM, LLC 520   2020-08-05   
636-264 6 Winfield MO   624H ONVOY SPECTRUM, LLC 520   2020-08-05   
636-264 7 Winfield MO   508J CENTURYLINK COMMUNICATIONS, LLC 520   2013-10-14   
636-264 8 Winfield MO   093F ONVOY, LLC - MO 520   2020-11-05   
636-264 9 Winfield MO   093F ONVOY, LLC - MO 520   2020-11-05   

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

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