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: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-742 A Hillman MI HLMNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-742 0 Hillman MI   508J CENTURYLINK COMMUNICATIONS LLC 344   2015-05-08   
989-742 1 Hillman MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2022-02-18   
989-742 2 Hillman MI   0695 FRONTIER NORTH, INC. - MI 344      
989-742 3 Hillman MI   0695 FRONTIER NORTH, INC. - MI 344      
989-742 4 Hillman MI   0695 FRONTIER NORTH, INC. - MI 344      
989-742 6 Hillman MI   2550 123.NET, INC. 344   2013-03-11   
989-742 7 Hillman MI   0695 FRONTIER NORTH, INC. - MI 344      
989-742 8 Hillman MI   0695 FRONTIER NORTH, INC. - MI 344      
989-742 9 Hillman MI   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2022-06-19   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.