Area Code 231-206 located in ROTHBURY, OCEANA, MI, more detail is as below. Place NPA (Numbering Plan Area) : 231 NXX (Local Number Prefix) : 206 City : ROTHBURY County : OCEANA State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 26127 LATA (Local Access Transport Area) : 348 Rate Center : MUSKEGON ZIP Code Count : 1 ZIP Code Frequency : 25 ZIP Code : 49452 Other Information NPANXX : 231206 County Population : 0 Switch CLLI (Common Language Location Identifier) : GDRPMIBLXGX Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : MUSKEGON Latitude : 43.2362 Longitude : -86.2433 ‹ previous : 231-206 next › : 231-206 Telephone Number List 231-206-0000 ~ 231-206-9999