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: 384

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-384 A Grovespring MO BASNMOXAXJX  093F ONVOY, LLC - MO 522      
417-384 0 Grovespring MO SPFDMOMCX9X  993E BANDWIDTH.COM CLEC, LLC - MO 522   2022-02-25   
417-384 2 Grovespring MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2019-12-01   
417-384 3 Grovespring MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2019-12-01   
417-384 4 Grovespring MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2019-09-02   
417-384 7 Grovespring MO SPFDMODL5MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 522   2014-06-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.