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: 859

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-859 A Belle MO BLLEMOXARS0  9785 BRIGHTSPEED OF MISSOURI, LLC 520      
573-859 0 Belle MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2017-09-28   
573-859 1 Belle MO STLSMOWQ8MD  073H TELNYX LLC 520   2020-07-25   
573-859 2 Belle MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-10-14   
573-859 3 Belle MO BLLEMOXARS0  9785 BRIGHTSPEED OF MISSOURI, LLC 520      
573-859 4 Belle MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-11-24   
573-859 5 Belle MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2018-12-08   
573-859 6 Belle MO BLLEMOXARS0  9785 BRIGHTSPEED OF MISSOURI, LLC 520      
573-859 9 Belle MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-03-06   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.