Area Code 406-999 located in GALLATIN GATEWAY, GALLATIN, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 999 City : GALLATIN GATEWAY County : GALLATIN State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 7/11/2006 FIPS (Federal Information Processing Standards) : 30031 LATA (Local Access Transport Area) : 650 Rate Center : BIG SKY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 59730 Other Information NPANXX : 406999 Switch CLLI (Common Language Location Identifier) : BGSYMT020MD 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 : MONTANA OPTICOM, LLC - MT OCN (Operating Company Number) : 746D Coverage Area Name : GALLATIN GATEWAY Latitude : 45.2670 Longitude : -111.2903 ‹ previous : 406-997 next › : 407-200 Telephone Number List 406-999-0000 ~ 406-999-9999