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: 360

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-360 A South Seymour MO DESMIADTFMD  093F ONVOY, LLC - MO 632      
660-360 0 South Seymour MO KNVLIAXCTMD  093F ONVOY, LLC - MO 632   2023-10-09   
660-360 3 South Seymour MO KNVLIAXCPMD  624H ONVOY SPECTRUM, LLC 632   2024-03-16   
660-360 6 South Seymour MO DESMIADTFMD  093F ONVOY, LLC - MO 632   2022-02-11   

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

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