Area Code 231-328 located in FALMOUTH, MISSAUKEE, MI, more detail is as below. Place NPA (Numbering Plan Area) : 231 NXX (Local Number Prefix) : 328 City : FALMOUTH 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 : MERRITT ZIP Code Count : 143 ZIP Code Frequency : 27 ZIP Code : 49632 Other Information NPANXX : 231328 County Population : 0 Switch CLLI (Common Language Location Identifier) : MRRTMIXIDS0 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 : CENTURYTEL OF MICHIGAN INC DBA CENTURYLINK OCN (Operating Company Number) : 0702 Coverage Area Name : MERRITT Latitude : 44.3321 Longitude : -84.9466 ‹ previous : 231-327 next › : 231-328 Telephone Number List 231-328-0000 ~ 231-328-9999