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: 208

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-208 A Blairstown MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-208 0 Blairstown MO   073H TELNYX LLC 524   2020-07-26   
660-208 1 Blairstown MO   093F ONVOY, LLC - MO 524   2023-07-31   
660-208 2 Blairstown MO   624H ONVOY SPECTRUM, LLC 524   2021-07-03   
660-208 4 Blairstown MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-208 7 Blairstown MO   508J CENTURYLINK COMMUNICATIONS, LLC 524   2013-10-31   

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

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