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: 526

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-526 A Harvester MO   093F ONVOY, LLC - MO 520   2026-10-17   
636-526 0 Harvester MO   093F ONVOY, LLC - MO 520   2026-10-17   
636-526 1 Harvester MO   093F ONVOY, LLC - MO 520   2026-10-17   
636-526 2 Harvester MO   093F ONVOY, LLC - MO 520   2026-10-17   
636-526 3 Harvester MO   093F ONVOY, LLC - MO 520   2026-10-17   
636-526 9 Harvester MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-23   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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