Area Code 406-739 located in FORT BENTON, CHOUTEAU, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 739 City : FORT BENTON County : CHOUTEAU State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 30015 LATA (Local Access Transport Area) : 648 Rate Center : LOMA ZIP Code Count : 23 ZIP Code Frequency : 16 ZIP Code : 59442 Other Information NPANXX : 406739 Switch CLLI (Common Language Location Identifier) : LOMAMTXCRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : TRIANGLE TELEPHONE COOPERATIVE ASSN., INC. OCN (Operating Company Number) : 2257 Coverage Area Name : LOMA Latitude : 47.9391 Longitude : -110.5001 ‹ previous : 406-738 next › : 406-739 Telephone Number List 406-739-0000 ~ 406-739-9999