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.

Wright City MCA6, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
636-791 A WRCYMOXARS2  9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-791 0 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-01-17   
636-791 1 OVLDMOBKDS0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520   2011-02-14   
636-791 2 WRCYMOXARS2  9787 BRIGHTSPEED OF MISSOURI, LLC 520   2007-03-01   
636-791 3 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2013-03-02   
636-791 4 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-11-25   
636-791 5 STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2009-03-27   
636-791 6 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-11-25   
636-791 9 STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2021-05-17   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.