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: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-320 A Branson MO   612K CSC VOICE, LLC 522      
417-320 0 Branson MO   6275 UNITED STATES CELLULAR - MO 522   2025-02-08   
417-320 1 Branson MO   612K CSC VOICE, LLC 522   2013-12-29   
417-320 2 Branson MO   612K CSC VOICE, LLC 522   2013-12-29   
417-320 3 Branson MO   612K CSC VOICE, LLC 522   2013-12-29   
417-320 4 Branson MO   612K CSC VOICE, LLC 522   2013-12-29   
417-320 5 Branson MO   612K CSC VOICE, LLC 522   2013-12-29   
417-320 6 Branson MO   612K CSC VOICE, LLC 522   2013-12-29   
417-320 7 Branson MO   6275 UNITED STATES CELLULAR - MO 522   2025-02-08   
417-320 8 Branson MO   6275 UNITED STATES CELLULAR - MO 522   2025-02-08   
417-320 9 Branson MO   6275 UNITED STATES CELLULAR - MO 522   2025-02-08   

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

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