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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 417 [Rate centres in NPA 417] [Dial plan for NPA 417]

NXX: 502

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-502 A Joplin MO   093F ONVOY, LLC - MO 522      
417-502 0 Joplin MO   093F ONVOY, LLC - MO 522   2019-07-08   
417-502 1 Joplin MO   093F ONVOY, LLC - MO 522   2019-07-08   
417-502 2 Joplin MO   093F ONVOY, LLC - MO 522   2019-07-08   
417-502 3 Joplin MO   093F ONVOY, LLC - MO 522   2019-07-08   
417-502 4 Joplin MO   093F ONVOY, LLC - MO 522   2019-07-08   
417-502 5 Joplin MO   093F ONVOY, LLC - MO 522   2019-07-08   
417-502 6 Joplin MO   093F ONVOY, LLC - MO 522   2019-07-08   
417-502 7 Joplin MO   093F ONVOY, LLC - MO 522   2019-07-08   
417-502 8 Joplin MO   093F ONVOY, LLC - MO 522   2019-07-08   
417-502 9 Joplin MO   093F ONVOY, LLC - MO 522   2019-07-08   

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.