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: 785

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-785 A Protem MO PRTMMOXARS0  9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-785 0 Protem MO PRTMMOXARS0  9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-785 1 Protem MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2018-11-07   
417-785 2 Protem MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2019-12-05   
417-785 3 Protem MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2019-12-05   
417-785 4 Protem MO PRTMMOXARS0  9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-785 6 Protem MO SPFDMODL5MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 522   2014-06-06   
417-785 7 Protem MO SPFDMOTLX8Y  073H TELNYX LLC 522   2020-08-07   
417-785 8 Protem MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2021-03-05   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.