Area Code 406-622 located in FORT BENTON, CHOUTEAU, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 622 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 : FORTBENTON ZIP Code Count : 873 ZIP Code Frequency : 90 ZIP Code : 59442 Other Information NPANXX : 406622 Switch CLLI (Common Language Location Identifier) : FTBNMTXCDS0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CENTRAL MONTANA COMMUNICATIONS, INC. OCN (Operating Company Number) : 3310 Coverage Area Name : FORT BENTON Latitude : 47.8192 Longitude : -110.6713 ‹ previous : 406-622 next › : 406-623 Telephone Number List 406-622-0000 ~ 406-622-9999