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: 847

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-847 A Calhoun MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-847 4 Calhoun MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-847 6 Calhoun MO KSCYMO55XYY  624H ONVOY SPECTRUM, LLC 524   2021-11-18   
660-847 7 Calhoun MO KSCYMO55XYY  624H ONVOY SPECTRUM, LLC 524   2021-11-18   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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