Area Code 231-613 located in SCOTTVILLE, MASON, MI, more detail is as below. Place NPA (Numbering Plan Area) : 231 NXX (Local Number Prefix) : 613 City : SCOTTVILLE County : MASON State : MI (Michigan) NXX Use Type : Wireless NXX Intro Version : 2003-02-09 FIPS (Federal Information Processing Standards) : 26105 LATA (Local Access Transport Area) : 348 Rate Center : SCOTTVILLE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 49454 Other Information NPANXX : 231613 County Population : 0 Switch CLLI (Common Language Location Identifier) : CARRMIXADS2 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - IL OCN (Operating Company Number) : 6534 Coverage Area Name : SCOTTVILLE Latitude : 43.9512 Longitude : -86.2870 ‹ previous : 231-610 next › : 231-614 Telephone Number List 231-613-0000 ~ 231-613-9999