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: 497

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-497 A Milo MO BASNMO06DS0  142C RYSTEC, INC 522      
417-497 0 Milo MO BASNMO06DS0  142C RYSTEC, INC 522   2004-12-30   
417-497 2 Milo MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2019-12-02   
417-497 3 Milo MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2019-12-02   
417-497 7 Milo MO SPFDMODL5MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 522   2014-06-06   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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