Area Code 406-383 located in DODSON, PHILLIPS, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 383 City : DODSON County : PHILLIPS State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 30071 LATA (Local Access Transport Area) : 648 Rate Center : DODSON ZIP Code Count : 109 ZIP Code Frequency : 100 ZIP Code : 59524 Other Information NPANXX : 406383 Switch CLLI (Common Language Location Identifier) : DDSNMTXCRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CENTRAL MONTANA COMMUNICATIONS, INC. OCN (Operating Company Number) : 3310 Coverage Area Name : DODSON Latitude : 48.3974 Longitude : -108.2440 ‹ previous : 406-382 next › : 406-384 Telephone Number List 406-383-0000 ~ 406-383-9999