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: 477

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-477 A Mountain Grove MO BASNMOXAXLX  965H FRACTEL, LLC 522      
417-477 0 Mountain Grove MO   6275 UNITED STATES CELLULAR - MO 522   2022-06-04   
417-477 2 Mountain Grove MO   093F ONVOY, LLC - MO 522   2021-05-14   
417-477 3 Mountain Grove MO   093F ONVOY, LLC - MO 522   2021-05-14   
417-477 4 Mountain Grove MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 522   2020-10-11   
417-477 5 Mountain Grove MO   093F ONVOY, LLC - MO 522   2021-06-19   
417-477 6 Mountain Grove MO   6123 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 522   2021-04-19   
417-477 7 Mountain Grove MO   965H FRACTEL, LLC 522   2020-01-31   
417-477 8 Mountain Grove MO   093F ONVOY, LLC - MO 522   2021-06-19   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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