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: 369

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-369 A Washington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-369 0 Washington MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2021-05-26   
636-369 1 Washington MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-08-13   
636-369 2 Washington MO   6529 T-MOBILE USA, INC. 520   2022-01-19   
636-369 3 Washington MO   093F ONVOY, LLC - MO 520   2021-05-10   
636-369 4 Washington MO   6529 T-MOBILE USA, INC. 520   2022-01-19   
636-369 5 Washington MO   197D VONAGE AMERICA LLC 520   2021-06-20   
636-369 7 Washington MO   093F ONVOY, LLC - MO 520   2021-07-12   
636-369 8 Washington MO   093F ONVOY, LLC - MO 520   2021-07-12   
636-369 9 Washington MO   6529 T-MOBILE USA, INC. 520   2022-01-19   

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

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