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: 821

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-821 A Thayer MO BASNMO06DS0  142C RYSTEC, INC 522      
417-821 0 Thayer MO BASNMO06DS0  142C RYSTEC, INC 522   2004-12-30   
417-821 1 Thayer MO SPFDMOMCX9X  993E BANDWIDTH.COM CLEC, LLC - MO 522   2016-04-22   
417-821 2 Thayer MO BASNMOXAXCX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2016-10-06   
417-821 3 Thayer MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2020-11-09   
417-821 4 Thayer MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2020-11-09   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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