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: 572

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-572 A Mound City MO MAVLMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-572 0 Mound City MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-572 4 Mound City MO   508J CENTURYLINK COMMUNICATIONS, LLC 524   2013-10-31   
660-572 6 Mound City MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 524   2023-09-07   
660-572 9 Mound City MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2014-08-09   

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

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