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: 408

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-408 A High Ridge MO   093F ONVOY, LLC - MO 520   2024-05-21   
636-408 0 High Ridge MO   093F ONVOY, LLC - MO 520      
636-408 1 High Ridge MO   093F ONVOY, LLC - MO 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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