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.

Defiance MCA5, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
636-798 A DFNCMOXARS2  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-798 0 DFNCMOXARS2  993E BANDWIDTH.COM CLEC, LLC - MO 520   2022-02-21   
636-798 2 DFNCMOXARS2  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-798 3 STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2021-07-02   
636-798 5 DFNCMOXARS2  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520   2007-10-18   
636-798 6 STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2021-10-22   
636-798 8 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2018-12-07   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.