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: 797

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-797 A Dora MO BASNMO06DS0  142C RYSTEC, INC 522      
417-797 0 Dora MO BASNMO06DS0  142C RYSTEC, INC 522   2004-12-30   
417-797 1 Dora MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2020-11-15   
417-797 2 Dora MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2020-11-15   
417-797 7 Dora MO   145J TERRA NOVA TELECOM INC. 522   2025-07-17   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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