Local Calling Guide

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Imperial MCA3, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
636-223 A STLSMO09DS2  7421 AT&T - LOCAL 520      
636-223 0   792K CHARTER IP ENABLED SERVICES, LLC 520   2005-09-02   
636-223 1 STLSMO09DS2  7421 AT&T - LOCAL 520      
636-223 2   792K CHARTER IP ENABLED SERVICES, LLC 520   2008-06-17   
636-223 3 STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2010-05-10   
636-223 4 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-09-17   
636-223 5 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2014-05-02   
636-223 6   515J IP HORIZON LLC 520   2013-12-19   
636-223 7   792K CHARTER IP ENABLED SERVICES, LLC 520   2014-06-25   
636-223 8 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2015-02-28   
636-223 9 STLSMOGZ6MD  073H TELNYX LLC 520   2017-06-16   
636-461 A IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      
636-461 0 IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      
636-461 1 IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      
636-461 2 IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      
636-461 3 IMPRMO58RS2  9533 SOUTHWESTERN BELL 520   2007-07-20   
636-461 5 STLSMOGZEMD  145J TERRA NOVA TELECOM INC. 520   2024-02-13   
636-461 6   145J TERRA NOVA TELECOM INC. 520   2023-04-27   
636-461 7 STLSMOGZEMD  145J TERRA NOVA TELECOM INC. 520   2024-09-14   
636-461 8 STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2024-03-23   
636-461 9 STLSMOGZLMD  490J DISH WIRELESS, LLC 520   2022-05-17   
636-464 A IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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