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: 288

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-288 A Canton MO CNTNMOXADS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-288 0 Canton MO CNTNMOXADS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-288 1 Canton MO CNTNMOXADS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-288 2 Canton MO CNTNMOXADS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-288 3 Canton MO CNTNMOXADS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-288 4 Canton MO CLMAMOCC1MD  6275 UNITED STATES CELLULAR - MO 520   2019-03-29   
573-288 5 Canton MO CNTNMOXADS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-288 6 Canton MO CNTNMOXADS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-288 7 Canton MO CNTNMOXADS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-288 8 Canton MO CNTNMOXADS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-288 9 Canton MO STLSMOWQ8MD  073H TELNYX LLC 520   2020-07-30   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.