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: 590

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-590 A Chesterfield MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-590 0 Chesterfield MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2010-07-11   
636-590 1 Chesterfield MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2010-07-11   
636-590 2 Chesterfield MO   093F ONVOY, LLC - MO 520      
636-590 3 Chesterfield MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-590 4 Chesterfield MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2008-11-02   
636-590 5 Chesterfield MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2010-04-22   
636-590 6 Chesterfield MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-09-17   
636-590 7 Chesterfield MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-07-19   

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

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