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: 275

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-275 A Kahoka MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524      
660-275 0 Kahoka MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-05-04   
660-275 1 Kahoka MO   624H ONVOY SPECTRUM, LLC 524   2025-01-18   
660-275 2 Kahoka MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2019-07-18   
660-275 3 Kahoka MO   093F ONVOY, LLC - MO 524   2021-10-23   
660-275 5 Kahoka MO   093F ONVOY, LLC - MO 524   2021-06-19   
660-275 6 Kahoka MO   093F ONVOY, LLC - MO 524   2021-08-23   
660-275 7 Kahoka MO   508J CENTURYLINK COMMUNICATIONS, LLC 524   2015-09-29   

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

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