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: ALPEMIXG9MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-290 2 Grayling MI 116F PENINSULA FIBER NETWORK, LLC - MI 344   2022-12-23   
989-470 0 Gaylord MI 116F PENINSULA FIBER NETWORK, LLC - MI 344   2022-09-18   
989-724 2 Harrisville MI 116F PENINSULA FIBER NETWORK, LLC - MI 344   2023-02-23   
989-880 A Alpena MI 116F PENINSULA FIBER NETWORK, LLC - MI 344      
989-880 0 Alpena MI 116F PENINSULA FIBER NETWORK, LLC - MI 344   2019-02-21   
989-983 5 Vanderbilt MI 116F PENINSULA FIBER NETWORK, LLC - MI 344   2023-07-09   

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

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