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: 217

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
975-217 A St Joseph MO   093F ONVOY, LLC - MO 524   2026-10-15   
975-217 0 St Joseph MO   093F ONVOY, LLC - MO 524   2026-10-15   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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