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: 351

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-351 A O'Fallon MO STLSMOGZ00Z  490J DISH WIRELESS, LLC 520      
636-351 0 O'Fallon MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520   2022-03-14   
636-351 1 O'Fallon MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520   2022-03-14   
636-351 2 O'Fallon MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2022-11-20   
636-351 3 O'Fallon MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-08-10   
636-351 6 O'Fallon MO STLSMOGZ00Z  490J DISH WIRELESS, LLC 520   2022-04-01   
636-351 8 O'Fallon MO WNVLMOXAXXX  093F ONVOY, LLC - MO 520   2024-06-07   

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

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