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: 559

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-559 A Madison MO MDSNMOXAPS0  1885 WINDSTREAM MISSOURI, INC. 524      
660-559 0 Madison MO   792K CHARTER IP ENABLED SERVICES, LLC 524   2021-03-03   
660-559 9 Madison MO MDSNMOXAPS0  1885 WINDSTREAM MISSOURI, INC. 524   2016-08-25   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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