Area Code 406-666 located in FORT SMITH, BIG HORN, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 666 City : FORT SMITH County : BIG HORN State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 30003 LATA (Local Access Transport Area) : 650 Rate Center : FORT SMITH ZIP Code Count : 170 ZIP Code Frequency : 79 ZIP Code : 59035 Other Information NPANXX : 406666 Switch CLLI (Common Language Location Identifier) : FTSMMTXCRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : PROJECT TELEPHONE CO., INC. OCN (Operating Company Number) : 2250 Coverage Area Name : SAINT XAVIER Latitude : 45.3093 Longitude : -107.9472 ‹ previous : 406-666 next › : 406-667 Telephone Number List 406-666-0000 ~ 406-666-9999
