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.

Switch: GDRPMIQLDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
231-225 A Fremont MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-674 A Grant MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
269-509 A Wayland MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
616-504 A Clarksville MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-08-20   
616-723 A Grand Rapids MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
616-828 A Grand Rapids MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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