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: 223

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-223 A Imperial MCA3 MO STLSMO09DS2  7421 AT&T - LOCAL 520      
636-223 0 Imperial MCA3 MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2005-09-02   
636-223 1 Imperial MCA3 MO STLSMO09DS2  7421 AT&T - LOCAL 520      
636-223 2 Imperial MCA3 MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2008-06-17   
636-223 3 Imperial MCA3 MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2010-05-10   
636-223 4 Imperial MCA3 MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-09-17   
636-223 5 Imperial MCA3 MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2014-05-02   
636-223 6 Imperial MCA3 MO   515J IP HORIZON LLC 520   2013-12-19   
636-223 7 Imperial MCA3 MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2014-06-25   
636-223 8 Imperial MCA3 MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2015-02-28   
636-223 9 Imperial MCA3 MO STLSMOGZ6MD  073H TELNYX LLC 520   2017-06-16   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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