Area Code 406-557 located in BRUSETT, GARFIELD, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 557 City : BRUSETT County : GARFIELD State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 30033 LATA (Local Access Transport Area) : 650 Rate Center : JORDAN ZIP Code Count : 61 ZIP Code Frequency : 8 ZIP Code : 59318 Other Information NPANXX : 406557 Switch CLLI (Common Language Location Identifier) : JRDNMTXCRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : MID-RIVERS TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 2246 Coverage Area Name : JORDAN Latitude : 47.3259 Longitude : -106.9005 ‹ previous : 406-556 next › : 406-557 Telephone Number List 406-557-0000 ~ 406-557-9999