Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 417 [Rate centres in NPA 417] [Dial plan for NPA 417]

NXX: 591

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-591 A Arcola MO BASNMOXAXJX  093F ONVOY, LLC - MO 522      
417-591 2 Arcola MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2019-11-30   
417-591 3 Arcola MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2019-11-30   
417-591 9 Arcola MO SPFDMOMCX9X  993E BANDWIDTH.COM CLEC, LLC - MO 522   2020-04-02   

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

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