Area Code 406-588 located in WIBAUX, WIBAUX, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 588 City : WIBAUX County : WIBAUX State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 30109 LATA (Local Access Transport Area) : 650 Rate Center : CARLYLE ZIP Code Count : 7 ZIP Code Frequency : 17 ZIP Code : 59353 Other Information NPANXX : 406588 Switch CLLI (Common Language Location Identifier) : CRLYMTXCRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : MID-RIVERS TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 2246 Coverage Area Name : PLEVNA Latitude : 46.6402 Longitude : -104.2301 ‹ previous : 406-587 next › : 406-588 Telephone Number List 406-588-0000 ~ 406-588-9999