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: 283

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-283 A Blairstown MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-283 0 Blairstown MO KSCYKSJOSMD  993E BANDWIDTH.COM CLEC, LLC - MO 524   2009-02-13   
660-283 4 Blairstown MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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