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: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-747 A Pacific MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-747 0 Pacific MO   093F ONVOY, LLC - MO 520   2016-03-04   
636-747 1 Pacific MO   093F ONVOY, LLC - MO 520   2016-09-28   
636-747 2 Pacific MO   093F ONVOY, LLC - MO 520   2016-09-28   
636-747 4 Pacific MO   093F ONVOY, LLC - MO 520   2024-04-05   
636-747 5 Pacific MO   624H ONVOY SPECTRUM, LLC 520   2025-01-11   
636-747 6 Pacific MO   093F ONVOY, LLC - MO 520   2021-11-20   
636-747 8 Pacific MO   073H TELNYX LLC 520   2017-06-13   
636-747 9 Pacific MO   093F ONVOY, LLC - MO 520   2024-03-02   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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