Area Code 231-292 located in WHITEHALL, MUSKEGON, MI, more detail is as below. Place NPA (Numbering Plan Area) : 231 NXX (Local Number Prefix) : 292 City : WHITEHALL County : MUSKEGON State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 7/30/2010 FIPS (Federal Information Processing Standards) : 26121 LATA (Local Access Transport Area) : 348 Rate Center : WHITEHALL ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 49461 Other Information NPANXX : 231292 County Population : 0 MSA CBSA (Core Based Statistical Area) : Muskegon-Norton Shores, MI MSA CBSA Code (Core Based Statistical Area) : 34740 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CHARTER FIBERLINK - MICHIGAN, LLC - MI OCN (Operating Company Number) : 351D Coverage Area Name : WHITEHALL Latitude : 43.4065 Longitude : -86.3508 ‹ previous : 231-291 next › : 231-295 Telephone Number List 231-292-0000 ~ 231-292-9999