Local Calling Guide

Area code/prefix search

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

NXX: 299

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-299 A Chesterfield MO   6529 T-MOBILE USA, INC. 520      
636-299 0 Chesterfield MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-01-17   
636-299 1 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2003-01-15   
636-299 2 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2003-02-10   
636-299 3 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2003-04-20   
636-299 4 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2020-10-04   
636-299 5 Chesterfield MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2021-07-02   
636-299 6 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2004-08-13   
636-299 7 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2003-10-04   
636-299 8 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2003-08-30   
636-299 9 Chesterfield MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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