Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 660 [Rate centres in NPA 660] [Dial plan for NPA 660]

NXX: 761

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-761 A Slater MO KSCYMO55XXX  093F ONVOY, LLC - MO 524      
660-761 6 Slater MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2020-11-13   
660-761 7 Slater MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2020-11-13   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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