Area Code 406-466 located in CHOTEAU, TETON, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 466 City : CHOTEAU County : TETON State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 30099 LATA (Local Access Transport Area) : 648 Rate Center : CHOTEAU ZIP Code Count : 1235 ZIP Code Frequency : 88 ZIP Code : 59422 Other Information NPANXX : 406466 Switch CLLI (Common Language Location Identifier) : CHOTMTXCDS0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : 3 RIVERS TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 2255 Coverage Area Name : CHOTEAU Latitude : 47.8121 Longitude : -112.1760 ‹ previous : 406-466 next › : 406-467 Telephone Number List 406-466-0000 ~ 406-466-9999