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: GDRPMIBL06Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
231-303 A Newaygo MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
231-484 A East Jordan MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
231-567 A Muskegon MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2021-01-08   
616-389 A Grand Rapids MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
616-414 A Grand Haven MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
616-432 A Grand Rapids MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
616-649 A Grand Rapids MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
616-953 A Zeeland MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.