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: 815

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-815 A Marshall MO KSCYMO55XDY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-815 0 Marshall MO KSCYMO55XDY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-815 1 Marshall MO KSCYMO55XDY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-815 2 Marshall MO KSCYMO55XDY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-815 3 Marshall MO KSCYMO55XDY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2004-03-15   
660-815 4 Marshall MO KSCYMO55XDY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2004-03-15   
660-815 5 Marshall MO KSCYMO55XDY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2011-10-28   
660-815 6 Marshall MO   093F ONVOY, LLC - MO 524   2025-03-02   
660-815 7 Marshall MO KSCYMO55XDY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-815 9 Marshall MO KSCYMO55XDY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2024-10-05   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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