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.

Vermont, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-784 A VRMTILXDRS0  1015 FRONTIER NORTH, INC. - IL 977      
309-784 0 GLBGILXDAMD  508J CENTURYLINK COMMUNICATIONS, LLC 977   2014-07-29   
309-784 1 GLBGILXDDMD  224C ONVOY, LLC 977   2020-03-13   
309-784 2 VRMTILXDRS0  1015 FRONTIER NORTH, INC. - IL 977      
309-784 3 GLBGILXDDMD  224C ONVOY, LLC 977   2021-04-09   
309-784 4 MCMBILXDZMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 977   2005-04-14   
309-784 7 MCMBILXDX5X  624H ONVOY SPECTRUM, LLC 977   2023-07-29   
309-784 8 VRMTILXDRS0  1015 FRONTIER NORTH, INC. - IL 977      
309-784 9 GLBGILXDXMD  495J STRATUS NETWORKS 977   2021-02-28   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.