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: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-524 A Shell Knob MO BASNMOXAXJX  093F ONVOY, LLC - MO 522      
417-524 0 Shell Knob MO   093F ONVOY, LLC - MO 522   2018-11-07   
417-524 2 Shell Knob MO   093F ONVOY, LLC - MO 522   2019-12-05   
417-524 3 Shell Knob MO   093F ONVOY, LLC - MO 522   2019-12-05   
417-524 4 Shell Knob MO   073H TELNYX LLC 522   2020-08-07   
417-524 5 Shell Knob MO   829J PAETEC ITEL, LLC 522   2013-05-19   
417-524 6 Shell Knob MO   093F ONVOY, LLC - MO 522   2021-03-05   
417-524 7 Shell Knob MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 522   2014-06-06   
417-524 8 Shell Knob MO   993E BANDWIDTH.COM CLEC, LLC - MO 522   2025-12-11   
417-524 9 Shell Knob MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 522   2025-12-11   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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