Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: WHTHMIXGDS0

Remotes:

Switch Switch name Switch type
HARTMIXGRS0  HART  GTR 
SHLBMIXGRS0  SHELBY  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
231-893 A Whitehall MI 0695 FRONTIER NORTH, INC. - MI 348      
231-894 A Whitehall MI 0695 FRONTIER NORTH, INC. - MI 348      
231-981 A Whitehall MI 0695 FRONTIER NORTH, INC. - MI 348      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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