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: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 894

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-894 A Whitehall MI WHTHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-894 0 Whitehall MI ANTSMIADPS0  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
231-894 1 Whitehall MI WHTHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-894 2 Whitehall MI WHTHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-894 3 Whitehall MI WHTHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-894 4 Whitehall MI WHTHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-894 5 Whitehall MI WHTHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-894 6 Whitehall MI WHTHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-894 7 Whitehall MI WHTHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-894 8 Whitehall MI WHTHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-894 9 Whitehall MI WHTHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.