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: 319

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-319 A Dardenne MO DRDNMOXARS1  9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-319 0 Dardenne MO STLSMOWQ8MD  073H TELNYX LLC 520   2020-07-31   
636-319 1 Dardenne MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-11-20   
636-319 2 Dardenne MO   6529 T-MOBILE USA, INC. 520   2026-08-27   
636-319 3 Dardenne MO DRDNMOXARS1  9787 BRIGHTSPEED OF MISSOURI, LLC 520   2020-06-28   
636-319 4 Dardenne MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2021-07-02   
636-319 5 Dardenne MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2021-11-06   
636-319 6 Dardenne MO   093F ONVOY, LLC - MO 520   2026-08-23   
636-319 7 Dardenne MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-11-20   
636-319 8 Dardenne MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2021-11-16   
636-319 9 Dardenne MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2021-11-16   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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