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: 589

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-589 A Warrenton MO WNVLMOXAXXX  093F ONVOY, LLC - MO 520      
636-589 0 Warrenton MO   073H TELNYX LLC 520   2023-02-18   
636-589 1 Warrenton MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2023-09-11   
636-589 2 Warrenton MO   197D VONAGE AMERICA LLC 520   2023-11-02   
636-589 3 Warrenton MO   093F ONVOY, LLC - MO 520   2024-03-09   
636-589 4 Warrenton MO   093F ONVOY, LLC - MO 520   2024-04-13   
636-589 5 Warrenton MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-06-22   
636-589 8 Warrenton MO   093F ONVOY, LLC - MO 520   2023-01-16   
636-589 9 Warrenton MO   093F ONVOY, LLC - MO 520   2023-01-16   

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

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