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: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 383

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-383 A Canton MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-383 0 Canton MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2019-01-17   
573-383 1 Canton MO BLVLILAJ3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2023-02-23   
573-383 2 Canton MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-11-23   
573-383 3 Canton MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-11-23   
573-383 4 Canton MO CLMAMOCC1MD  6275 UNITED STATES CELLULAR - MO 520   2020-06-17   
573-383 5 Canton MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2020-11-07   
573-383 6 Canton MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2020-11-07   
573-383 8 Canton MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2018-12-08   
573-383 9 Canton MO CLMAMOCC1MD  6275 UNITED STATES CELLULAR - MO 520   2023-01-08   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.