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: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
975-999 A Trimble MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2025-09-08   
975-999 0 Trimble MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2025-09-08   
975-999 6 Trimble MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2026-08-17   
975-999 8 Trimble MO   145J TERRA NOVA TELECOM INC. 524   2025-09-09   
975-999 9 Trimble MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2025-09-08   

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

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