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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-666 A Union MO STLSMOGZEMD  145J TERRA NOVA TELECOM INC. 520      
636-666 0 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-02-23   
636-666 1 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-02-23   
636-666 2 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-10-22   
636-666 3 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-10-22   
636-666 4 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-10-22   
636-666 5 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-10-22   
636-666 6 Union MO   145J TERRA NOVA TELECOM INC. 520   2019-02-22   
636-666 7 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-10-22   
636-666 8 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-03-03   
636-666 9 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-07-05   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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