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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-500 A Imperial MCA3 MO MRHGMO02DS0  8665 FUSION CLOUD SERVICES, LLC 520      
636-500 0 Imperial MCA3 MO STLSMOWQDS2  093F ONVOY, LLC MO 520   2019-01-10   
636-500 1 Imperial MCA3 MO STLSMOWQDS2  093F ONVOY, LLC MO 520   2016-09-28   
636-500 2 Imperial MCA3 MO STLSMOWQDS2  093F ONVOY, LLC MO 520   2016-09-28   
636-500 4 Imperial MCA3 MO MRHGMO02DS0  8665 FUSION CLOUD SERVICES, LLC 520      
636-500 7 Imperial MCA3 MO STLSMOZCDS2  554A SOCKET TELECOM, LLC - MO 520   2004-06-17   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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