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: 610

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-610 A Collins MO BASNMOXAXJX  093F ONVOY, LLC - MO 522      
417-610 0 Collins MO   145J TERRA NOVA TELECOM INC. 522   2025-07-19   
417-610 6 Collins MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2020-12-21   
417-610 7 Collins MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2020-12-21   

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

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