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: 675

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-675 A Brookfield MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-675 0 Brookfield MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-04-10   
660-675 1 Brookfield MO   073H TELNYX LLC 524   2018-10-19   
660-675 3 Brookfield MO   7594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 524   2016-05-31   
660-675 4 Brookfield MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-675 5 Brookfield MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2005-10-09   
660-675 6 Brookfield MO   6123 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 524   2019-04-26   
660-675 8 Brookfield MO   490J DISH WIRELESS, LLC 524   2024-08-25   

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

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