Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 417 [Rate centres in NPA 417] [Dial plan for NPA 417]

NXX: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-638 A Stark City MO STCYMOXARS0  1885 WINDSTREAM MISSOURI, INC. 522      
417-638 0 Stark City MO   1885 WINDSTREAM MISSOURI, INC. 522      
417-638 1 Stark City MO   093F ONVOY, LLC - MO 522   2021-04-23   
417-638 2 Stark City MO   093F ONVOY, LLC - MO 522   2021-05-14   
417-638 3 Stark City MO   093F ONVOY, LLC - MO 522   2020-10-25   
417-638 5 Stark City MO   1885 WINDSTREAM MISSOURI, INC. 522      
417-638 6 Stark City MO   593K MCC TELEPHONY LLC 522   2010-07-18   
417-638 7 Stark City MO   624H ONVOY SPECTRUM, LLC 522   2024-03-28   
417-638 8 Stark City MO   093F ONVOY, LLC - MO 522   2021-04-23   
417-638 9 Stark City MO   993E BANDWIDTH.COM CLEC, LLC - MO 522   2020-03-22   

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

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