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: 395

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-395 A St Charles MO STLSMO09WMD  516C AT&T CORP. 520      
636-395 0 St Charles MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-01-17   
636-395 1 St Charles MO   6529 T-MOBILE USA, INC. 520   2007-04-30   
636-395 2 St Charles MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2009-07-13   
636-395 3 St Charles MO   6529 T-MOBILE USA, INC. 520   2007-07-27   
636-395 4 St Charles MO   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2007-05-13   
636-395 6 St Charles MO   6529 T-MOBILE USA, INC. 520   2007-07-27   
636-395 7 St Charles MO   516C AT&T CORP. 520   2006-06-30   
636-395 8 St Charles MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-08-21   
636-395 9 St Charles MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2010-12-03   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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