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: 564

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-564 A Grant City MO GTCYMOXARS0  1885 WINDSTREAM MISSOURI, INC. 524      
660-564 0 Grant City MO   1885 WINDSTREAM MISSOURI, INC. 524      
660-564 1 Grant City MO   1885 WINDSTREAM MISSOURI, INC. 524      
660-564 2 Grant City MO   1885 WINDSTREAM MISSOURI, INC. 524      
660-564 3 Grant City MO   1885 WINDSTREAM MISSOURI, INC. 524      
660-564 4 Grant City MO   1885 WINDSTREAM MISSOURI, INC. 524      
660-564 6 Grant City MO   508J CENTURYLINK COMMUNICATIONS, LLC 524   2017-09-13   
660-564 7 Grant City MO   1885 WINDSTREAM MISSOURI, INC. 524      
660-564 8 Grant City MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 524   2010-06-11   
660-564 9 Grant City MO   1885 WINDSTREAM MISSOURI, INC. 524      

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

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