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: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-423 A Carthage MO SPFDMOTLX7X  6701 AERIAL COMMUNICATIONS 522      
417-423 0 Carthage MO   6701 AERIAL COMMUNICATIONS 522      
417-423 2 Carthage MO   093F ONVOY, LLC MO 522   2020-11-08   
417-423 3 Carthage MO   093F ONVOY, LLC MO 522   2020-11-08   
417-423 4 Carthage MO   6701 AERIAL COMMUNICATIONS 522   2018-04-23   
417-423 5 Carthage MO   6701 AERIAL COMMUNICATIONS 522   2018-04-23   
417-423 6 Carthage MO   6701 AERIAL COMMUNICATIONS 522   2018-04-23   
417-423 7 Carthage MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 522   2005-08-26   
417-423 8 Carthage MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 522   2007-07-09   
417-423 9 Carthage MO   6701 AERIAL COMMUNICATIONS 522      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.