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: 235

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-235 A Warrenton MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-235 0 Warrenton MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-235 1 Warrenton MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2004-06-13   
636-235 2 Warrenton MO   6529 T-MOBILE USA, INC. 520   2007-02-21   
636-235 3 Warrenton MO   9787 BRIGHTSPEED OF MISSOURI, LLC 520   2007-10-01   
636-235 4 Warrenton MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2004-05-27   
636-235 5 Warrenton MO   508J CENTURYLINK COMMUNICATIONS, LLC 520   2013-10-14   
636-235 6 Warrenton MO   6529 T-MOBILE USA, INC. 520   2005-08-15   
636-235 7 Warrenton MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2003-12-29   
636-235 8 Warrenton MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-01-06   
636-235 9 Warrenton MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      

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

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