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: LNNGMIMNX0Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-314 6 Jackson MI 991E BANDWIDTH.COM CLEC, LLC - MI 346   2024-09-19   
517-551 1 Fowlerville MI 991E BANDWIDTH.COM CLEC, LLC - MI 346   2025-01-05   
517-595 0 Waldron MI 991E BANDWIDTH.COM CLEC, LLC - MI 346   2024-09-27   
517-895 9 Concord MI 991E BANDWIDTH.COM CLEC, LLC - MI 346   2024-09-14   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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