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: 547

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-547 A Imperial MO STLSMOBNAMD  4004 GLOBAL CROSSING LOCAL SERVICES, INC. - MO 520      
636-547 2 Imperial MO STLSMOBNAMD  4004 GLOBAL CROSSING LOCAL SERVICES, INC. - MO 520      
636-547 3 Imperial MO STLSMOBNAMD  4004 GLOBAL CROSSING LOCAL SERVICES, INC. - MO 520      
636-547 4 Imperial MO STLSMOBNAMD  4004 GLOBAL CROSSING LOCAL SERVICES, INC. - MO 520      
636-547 7 Imperial MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2008-11-25   
636-547 9 Imperial MO   145J TERRA NOVA TELECOM INC. 520   2021-11-02   

Last updated: Wed, 12 Jan 2022 16:20:07 UTC

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