Area Code 406-957 located in TERRY, PRAIRIE, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 957 City : TERRY County : PRAIRIE State : MT (Montana) NXX Use Type : Wireless NXX Intro Version : 8/27/2007 FIPS (Federal Information Processing Standards) : 30079 LATA (Local Access Transport Area) : 650 Rate Center : TERRY ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 59349 Other Information NPANXX : 406957 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CABLE & COMMUNICATIONS CORPORATION OCN (Operating Company Number) : 6783 Coverage Area Name : TERRY Latitude : 46.7926 Longitude : -105.3125 ‹ previous : 406-956 next › : 406-960 Telephone Number List 406-957-0000 ~ 406-957-9999