Area Code 231-898 located in BRANCH, MASON, MI, more detail is as below. Place NPA (Numbering Plan Area) : 231 NXX (Local Number Prefix) : 898 City : BRANCH County : MASON State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 26105 LATA (Local Access Transport Area) : 348 Rate Center : CARR ZIP Code Count : 1698 ZIP Code Frequency : 99 ZIP Code : 49402 Other Information NPANXX : 231898 County Population : 0 Switch CLLI (Common Language Location Identifier) : CARRMIXADS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CARR TELEPHONE CO. OCN (Operating Company Number) : 0683 Coverage Area Name : BALDWIN Latitude : 43.8478 Longitude : -85.9531 ‹ previous : 231-896 next › : 231-899 Telephone Number List 231-898-0000 ~ 231-898-9999