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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-500 A Cabool MO BASNMOXAXLX  965H FRACTEL, LLC 522      
417-500 0 Cabool MO BASNMOXAXLX  965H FRACTEL, LLC 522   2020-01-31   
417-500 1 Cabool MO   6701 AERIAL COMMUNICATIONS, INC. 522   2025-03-14   
417-500 5 Cabool MO BASNMOXAXLX  965H FRACTEL, LLC 522   2020-09-27   
417-500 7 Cabool MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2020-11-08   
417-500 8 Cabool MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2020-11-08   

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

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