Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Smithville, MO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
816-919 6 KSCYMO55XXX  093F ONVOY, LLC - MO 524   2016-04-11   
816-919 7 KSCAMO961MD  508J CENTURYLINK COMMUNICATIONS, LLC 524   2014-05-07   
816-919 8 KSCYMO55XNY  073H TELNYX LLC 524   2017-03-17   
816-919 9 INDPMOXCGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2006-03-19   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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