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: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-328 A Sidney MI SDNYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-328 0 Sidney MI SGNWMIFAZMD  2550 123.NET, LLC 344      
989-328 1 Sidney MI SDNYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-328 2 Sidney MI SDNYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-328 4 Sidney MI SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-328 5 Sidney MI OWTPMI020MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344      
989-328 6 Sidney MI SDNYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-328 7 Sidney MI SGNWMIFAXCY  508J CENTURYLINK COMMUNICATIONS, LLC 344      
989-328 8 Sidney MI OWSOMIXH7MD  691A DAYSTARR, LLC DBA DAYSTARR COMMUNICATIONS - MI 344      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.