Area Code 231-529 located in ALANSON, EMMET, MI, more detail is as below. Place NPA (Numbering Plan Area) : 231 NXX (Local Number Prefix) : 529 City : ALANSON County : EMMET State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 26047 LATA (Local Access Transport Area) : 348 Rate Center : BRUTUS ZIP Code Count : 185 ZIP Code Frequency : 26 ZIP Code : 49706 Other Information NPANXX : 231529 County Population : 0 Switch CLLI (Common Language Location Identifier) : BRTSMIXIDS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CENTURYTEL OF MICHIGAN INC DBA CENTURYLINK OCN (Operating Company Number) : 0702 Coverage Area Name : BRUTUS Latitude : 45.4952 Longitude : -84.7008 ‹ previous : 231-527 next › : 231-529 Telephone Number List 231-529-0000 ~ 231-529-9999