Area Code 406-708 located in LEWISTOWN, FERGUS, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 708 City : LEWISTOWN County : FERGUS State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 2005-06-25 FIPS (Federal Information Processing Standards) : 30027 LATA (Local Access Transport Area) : 648 Rate Center : LEWISTOWN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 59457 Other Information NPANXX : 406708 Switch CLLI (Common Language Location Identifier) : HLNAMTMAIMD Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - MT OCN (Operating Company Number) : 9415 Coverage Area Name : LEWISTOWN Latitude : 47.0659 Longitude : -109.4243 ‹ previous : 406-707 next › : 406-709 Telephone Number List 406-708-0000 ~ 406-708-9999