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: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-837 A Herculaneum-Pevely MO STLSMOGZHMD  516J TON80 COMMUNICATIONS, LLC 520      
636-837 0 Herculaneum-Pevely MO   093F ONVOY, LLC - MO 520   2024-04-04   
636-837 1 Herculaneum-Pevely MO   093F ONVOY, LLC - MO 520   2024-03-02   
636-837 2 Herculaneum-Pevely MO   093F ONVOY, LLC - MO 520   2021-11-20   
636-837 3 Herculaneum-Pevely MO   093F ONVOY, LLC - MO 520   2021-03-07   
636-837 4 Herculaneum-Pevely MO   516J TON80 COMMUNICATIONS, LLC 520   2021-06-12   
636-837 7 Herculaneum-Pevely MO   6529 T-MOBILE USA, INC. 520   2025-04-13   
636-837 8 Herculaneum-Pevely MO   516J TON80 COMMUNICATIONS, LLC 520   2021-02-13   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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