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: GDRPMIBL26Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
616-265 7 Grand Rapids MI 156J RCLEC, INC. 348   2017-03-02   
616-278 0 Grand Rapids MI 156J RCLEC, INC. 348   2017-01-05   
616-888 6 Grand Rapids MI 156J RCLEC, INC. 348   2015-12-17   
616-930 A Grand Rapids MI 156J RCLEC, INC. 348      
616-930 4 Grand Rapids MI 156J RCLEC, INC. 348   2014-09-25   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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