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: 674

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-674 A Carthage MO LBNNMOBM0MD  6275 UNITED STATES CELLULAR - MO 522      
417-674 0 Carthage MO LBNNMOBM0MD  6275 UNITED STATES CELLULAR - MO 522      
417-674 1 Carthage MO LBNNMOBM0MD  6275 UNITED STATES CELLULAR - MO 522      
417-674 2 Carthage MO LBNNMOBM0MD  6275 UNITED STATES CELLULAR - MO 522      
417-674 3 Carthage MO SPFDMOTLX7Y  093F ONVOY, LLC - MO 522   2019-11-30   
417-674 4 Carthage MO SPFDMOTLX7Y  093F ONVOY, LLC - MO 522   2019-11-30   
417-674 5 Carthage MO SPFDMOTLXLX  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 522   2019-04-08   
417-674 6 Carthage MO SPFDMOTLXLX  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 522   2019-04-08   
417-674 7 Carthage MO SPFDMOTLX7Y  093F ONVOY, LLC - MO 522   2021-11-20   
417-674 8 Carthage MO SPFDMOMCX8X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2022-07-25   
417-674 9 Carthage MO SPFDMOMCX8X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2022-07-25   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.