Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 975 [Rate centres in NPA 975] [Dial plan for NPA 975]

NXX: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
975-333 A Oak Grove MO   093F ONVOY, LLC - MO 524   2026-02-17   
975-333 0 Oak Grove MO   093F ONVOY, LLC - MO 524   2026-02-17   
975-333 1 Oak Grove MO   093F ONVOY, LLC - MO 524   2026-03-14   
975-333 3 Oak Grove MO   093F ONVOY, LLC - MO 524   2026-02-17   
975-333 4 Oak Grove MO   145J TERRA NOVA TELECOM INC. 524   2026-02-18   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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