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: 268

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-268 A Chesterfield MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-05-21   
636-268 0 Chesterfield MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-05-21   
636-268 1 Chesterfield MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-05-21   
636-268 2 Chesterfield MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2024-07-26   
636-268 8 Chesterfield MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-07-06   
636-268 9 Chesterfield MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2024-11-11   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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