Area Code 406-556 located in BOZEMAN, GALLATIN, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 556 City : BOZEMAN County : GALLATIN State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 30031 LATA (Local Access Transport Area) : 650 Rate Center : BOZEMAN ZIP Code Count : 638 ZIP Code Frequency : 69 ZIP Code : 59715 Other Information NPANXX : 406556 Switch CLLI (Common Language Location Identifier) : BZMNMTMADS0 MSA CBSA (Core Based Statistical Area) : Bozeman, MT MSA CBSA Code (Core Based Statistical Area) : 14580 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : BOZEMAN Latitude : 45.6789 Longitude : -111.0369 ‹ previous : 406-556 next › : 406-557 Telephone Number List 406-556-0000 ~ 406-556-9999