Area Code 406-346 located in FORSYTH, ROSEBUD, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 346 City : FORSYTH County : ROSEBUD State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 2002-10-25 FIPS (Federal Information Processing Standards) : 30087 LATA (Local Access Transport Area) : 650 Rate Center : FORSYTH ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 59327 Other Information NPANXX : 406346 Switch CLLI (Common Language Location Identifier) : FRSYMTXCDS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : RANGE TELEPHONE COOPERATIVE, INC. - MT OCN (Operating Company Number) : 8140 Coverage Area Name : FORSYTH Latitude : 46.2665 Longitude : -106.6509 ‹ previous : 406-345 next › : 406-347 Telephone Number List 406-346-0000 ~ 406-346-9999