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: 921

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-921 A Cedar Creek MO BASNMOXAEMD  554A SOCKET TELECOM, LLC - MO 522      
417-921 0 Cedar Creek MO   093F ONVOY, LLC - MO 522   2018-11-07   
417-921 1 Cedar Creek MO   554A SOCKET TELECOM, LLC - MO 522   2007-03-16   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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