Local Calling Guide

Area code/prefix search

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NPA: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]

NXX: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-231 A Washington MO STLSMOZCDS2  554A SOCKET TELECOM, LLC - MO 520      
636-231 0 Washington MO STLSMOZCDS2  554A SOCKET TELECOM, LLC - MO 520      
636-231 1 Washington MO   093F ONVOY, LLC - MO 520   2021-03-07   
636-231 2 Washington MO OLVEMO01DS0  4891 WINDSTREAM NUVOX MISSOURI, LLC 520   2005-03-04   
636-231 3 Washington MO OLVEMO01DS0  4891 WINDSTREAM NUVOX MISSOURI, LLC 520   2006-06-26   
636-231 4 Washington MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2010-04-17   
636-231 5 Washington MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2015-03-09   
636-231 6 Washington MO OLVEMO01DS0  4891 WINDSTREAM NUVOX MISSOURI, LLC 520   2009-09-16   
636-231 7 Washington MO STLSMOZCDS2  554A SOCKET TELECOM, LLC - MO 520   2004-05-14   
636-231 8 Washington MO STLSMOGZ5MD  173H LOCAL ACCESS LLC - MO 520   2013-12-19   
636-231 9 Washington MO STLSMOZCDS2  554A SOCKET TELECOM, LLC - MO 520      

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

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