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: 246

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-246 A Hardin MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-246 0 Hardin MO   073H TELNYX LLC 524   2020-07-31   
660-246 1 Hardin MO   093F ONVOY, LLC - MO 524   2023-10-09   
660-246 2 Hardin MO   093F ONVOY, LLC - MO 524   2018-10-28   
660-246 4 Hardin MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-246 6 Hardin MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2005-01-23   
660-246 7 Hardin MO   508J CENTURYLINK COMMUNICATIONS, LLC 524   2013-11-04   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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