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: 201

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-201 A Warrenton MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-201 0 Warrenton MO   073H TELNYX LLC 520   2021-04-02   
636-201 1 Warrenton MO   093F ONVOY, LLC - MO 520   2020-11-05   
636-201 2 Warrenton MO   093F ONVOY, LLC - MO 520   2020-11-05   
636-201 3 Warrenton MO   093F ONVOY, LLC - MO 520   2021-03-06   
636-201 4 Warrenton MO   093F ONVOY, LLC - MO 520   2021-03-06   
636-201 5 Warrenton MO   6529 T-MOBILE USA, INC. 520   2021-03-10   
636-201 6 Warrenton MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-10-07   
636-201 7 Warrenton MO   5562 METROPCS, INC. 520   2021-05-08   
636-201 8 Warrenton MO   6529 T-MOBILE USA, INC. 520   2022-01-26   
636-201 9 Warrenton MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2020-10-16   

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

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