Local Calling Guide

Area code/prefix search

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Downing, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
660-379 A DWNGMOFRRS0  9533 SOUTHWESTERN BELL 524      
660-379 0 KSCYMO55DSG  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-05-03   
660-379 1 DWNGMOFRRS0  9533 SOUTHWESTERN BELL 524      
660-379 2 DWNGMOFRRS0  9533 SOUTHWESTERN BELL 524      
660-379 3 KSCYMO55XXX  093F ONVOY, LLC - MO 524   2021-07-23   
660-379 4 KSCYMO55XXX  093F ONVOY, LLC - MO 524   2021-08-27   
660-379 5 KSCYMO09QMD  516C AT&T CORP. 524   2024-10-07   
660-379 6   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2025-02-27   
660-379 7 KSCAMO961MD  508J CENTURYLINK COMMUNICATIONS, LLC 524   2014-05-07   
660-379 9 KSCYMO55XNY  073H TELNYX LLC 524   2019-09-30   
660-816 A KSCYMO55XXX  093F ONVOY, LLC - MO 524      
660-816 0 KSCYMO55XYY  624H ONVOY SPECTRUM, LLC 524   2025-01-12   
660-816 8 KSCYMO55XXX  093F ONVOY, LLC - MO 524   2021-01-06   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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