Area Code 406-732 located in BROWNING, GLACIER, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 732 City : BROWNING County : GLACIER State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 30035 LATA (Local Access Transport Area) : 648 Rate Center : ST MARY ZIP Code Count : 102 ZIP Code Frequency : 51 ZIP Code : 59417 Other Information NPANXX : 406732 Switch CLLI (Common Language Location Identifier) : STMYMTMARS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : SAINT MARY Latitude : 48.7462 Longitude : -113.4233 ‹ previous : 406-732 next › : 406-733 Telephone Number List 406-732-0000 ~ 406-732-9999