Area Code 406-347 located in FORSYTH, ROSEBUD, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 347 City : FORSYTH County : ROSEBUD State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 30087 LATA (Local Access Transport Area) : 650 Rate Center : ROSEBUD ZIP Code Count : 9 ZIP Code Frequency : 4 ZIP Code : 59327 Other Information NPANXX : 406347 Switch CLLI (Common Language Location Identifier) : RSBDMTXCRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : RANGE TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 2251 Coverage Area Name : ROSEBUD Latitude : 46.2668 Longitude : -106.4307 ‹ previous : 406-346 next › : 406-347 Telephone Number List 406-347-0000 ~ 406-347-9999