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: GDRPMIESDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
616-267 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348   2008-05-25   
616-285 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      
616-464 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      
616-526 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      
616-575 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      
616-940 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      
616-942 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      
616-949 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      
616-954 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      
616-956 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      
616-957 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      
616-974 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      
616-975 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      
616-977 A Grand Rapids MI 9323 AMERITECH MICHIGAN 348      

Last updated: Sun, 31 May 2020 11:59:01 UTC

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