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: 427

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-427 A Springfield MO SPFDMOTLX7Y  093F ONVOY, LLC - MO 522      
417-427 0 Springfield MO   093F ONVOY, LLC - MO 522   2019-11-24   
417-427 1 Springfield MO   093F ONVOY, LLC - MO 522   2019-11-24   
417-427 2 Springfield MO   093F ONVOY, LLC - MO 522   2019-06-09   
417-427 3 Springfield MO   093F ONVOY, LLC - MO 522   2019-06-09   
417-427 4 Springfield MO   093F ONVOY, LLC - MO 522   2019-06-09   
417-427 5 Springfield MO   093F ONVOY, LLC - MO 522   2019-06-09   
417-427 6 Springfield MO   093F ONVOY, LLC - MO 522   2019-06-09   
417-427 7 Springfield MO   093F ONVOY, LLC - MO 522   2019-06-09   
417-427 8 Springfield MO   093F ONVOY, LLC - MO 522   2019-11-24   
417-427 9 Springfield MO   093F ONVOY, LLC - MO 522   2019-11-24   

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

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