Local Calling Guide

Area code/prefix search

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NPA: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]

NXX: 341

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-341 A Festus-Crystal City MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
636-341 0 Festus-Crystal City MO STLSMOGZ8MD  939H COMMIO, LLC 520   2022-09-24   
636-341 1 Festus-Crystal City MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2023-09-09   
636-341 2 Festus-Crystal City MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2023-09-09   
636-341 3 Festus-Crystal City MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2024-11-21   
636-341 4 Festus-Crystal City MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-03-02   
636-341 5 Festus-Crystal City MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2025-05-15   
636-341 6 Festus-Crystal City MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2022-05-05   
636-341 7 Festus-Crystal City MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2022-05-05   
636-341 8 Festus-Crystal City MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2022-05-05   
636-341 9 Festus-Crystal City MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2021-06-28   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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