Area Code 231-441 located in FIFE LAKE, KALKASKA, MI, more detail is as below. Place NPA (Numbering Plan Area) : 231 NXX (Local Number Prefix) : 441 City : FIFE LAKE County : KALKASKA State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 2003-02-09 FIPS (Federal Information Processing Standards) : 26079 LATA (Local Access Transport Area) : 348 Rate Center : FIFE LAKE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 49633 Other Information NPANXX : 231441 County Population : 0 Switch CLLI (Common Language Location Identifier) : GDRPMIBLX8Z MSA CBSA (Core Based Statistical Area) : Traverse City, MI MSA CBSA Code (Core Based Statistical Area) : 45900 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC. - MI OCN (Operating Company Number) : 2550 Coverage Area Name : FIFE LAKE Latitude : 44.5730 Longitude : -85.3507 ‹ previous : 231-440 next › : 231-445 Telephone Number List 231-441-0000 ~ 231-441-9999