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: 741

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-741 A La Belle MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524      
660-741 0 La Belle MO KSCYMO55XYY  624H ONVOY SPECTRUM, LLC 524   2025-01-12   
660-741 1 La Belle MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524   2023-02-13   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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