Local Calling Guide

Area code/prefix search

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Tarkio, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
660-623 A MAVLMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-623 0 MAVLMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-623 1 MAVLMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2008-01-17   
660-623 6 RCPTMO020MD  454H MIDWEST DATA CENTER, INC. - MO 524   2015-04-16   
660-623 8 KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2022-02-18   
660-623 9   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 524   2007-01-24   
660-736 A TARKMOXARS0  1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-736 0 TARKMOXARS0  1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-736 1 INDPMOBHBMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 524   2024-10-17   
660-736 3   145J TERRA NOVA TELECOM INC. 524   2025-08-01   
660-736 4 TARKMOXARS0  1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-736 5 TARKMOXARS0  1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-736 7 KSCAMO961MD  508J CENTURYLINK COMMUNICATIONS, LLC 524   2013-10-31   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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