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   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-547 0 Imperial MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-03-02   
636-547 1 Imperial MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-03-02   
636-547 2 Imperial MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-547 3 Imperial MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-547 7 Imperial MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2008-11-25   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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