Area Code 231-779 located in LAKE CITY, MISSAUKEE, MI, more detail is as below. Place NPA (Numbering Plan Area) : 231 NXX (Local Number Prefix) : 779 City : LAKE CITY County : MISSAUKEE State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 26113 LATA (Local Access Transport Area) : 348 Rate Center : CADILLAC ZIP Code Count : 101 ZIP Code Frequency : 4 ZIP Code : 49651 Other Information NPANXX : 231779 County Population : 0 Switch CLLI (Common Language Location Identifier) : CDLCMIMNDS0 MSA CBSA (Core Based Statistical Area) : Cadillac, MI MSA CBSA Code (Core Based Statistical Area) : 15620 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : AMERITECH MICHIGAN OCN (Operating Company Number) : 9323 Coverage Area Name : CADILLAC Latitude : 44.2531 Longitude : -85.3999 ‹ previous : 231-778 next › : 231-779 Telephone Number List 231-779-0000 ~ 231-779-9999