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.

NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 741

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-741 A Union City MI UNCYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
517-741 0 Union City MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2019-05-20   
517-741 3 Union City MI UNCYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
517-741 4 Union City MI UNCYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
517-741 5 Union City MI UNCYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
517-741 6 Union City MI LNNGMIMNXJZ  668E SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE 348   2012-05-16   
517-741 7 Union City MI UNCYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
517-741 8 Union City MI UNCYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
517-741 9 Union City MI UNCYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.