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: 431

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-431 A Valley Park MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-431 1 Valley Park MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-09-17   
636-431 2 Valley Park MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-431 3 Valley Park MO MRHGMOGYDS2  4774 XO MISSOURI, INC. 520   2006-08-14   
636-431 4 Valley Park MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2014-05-24   
636-431 5 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-01-29   
636-431 7 Valley Park MO WNVLMOXAXBX  508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-24   
636-431 8 Valley Park MO STLSMOGZ6MD  073H TELNYX LLC 520   2017-06-12   
636-431 9 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-08-12   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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