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: 386

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-386 A Butler MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-386 0 Butler MO   993E BANDWIDTH.COM CLEC, LLC - MO 524   2009-01-17   
660-386 1 Butler MO   073H TELNYX LLC 524   2021-09-19   
660-386 2 Butler MO   318J COMCAST IP PHONE, LLC 524   2025-12-06   
660-386 3 Butler MO   093F ONVOY, LLC - MO 524   2018-10-28   
660-386 4 Butler MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2004-07-18   
660-386 5 Butler MO   624H ONVOY SPECTRUM, LLC 524   2021-07-03   
660-386 6 Butler MO   6123 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 524   2020-03-23   
660-386 7 Butler MO   093F ONVOY, LLC - MO 524   2020-11-15   
660-386 8 Butler MO   093F ONVOY, LLC - MO 524   2020-11-15   
660-386 9 Butler MO   093F ONVOY, LLC - MO 524   2023-10-09   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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