Area Code 208-657 located in DUBOIS, CLARK, ID, more detail is as below. Place NPA (Numbering Plan Area) : 208 NXX (Local Number Prefix) : 657 City : DUBOIS County : CLARK State : ID (Idaho) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 16033 LATA (Local Access Transport Area) : 652 Rate Center : MONTEVIEW ZIP Code Count : 3 ZIP Code Frequency : 2 ZIP Code : 83423 Other Information NPANXX : 208657 County Population : 0 Switch CLLI (Common Language Location Identifier) : MNVWIDXCRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : MUD LAKE TELEPHONE COOPERATIVE ASSOICATION, INC. OCN (Operating Company Number) : 2227 Coverage Area Name : MONTEVIEW Latitude : 43.9920 Longitude : -112.5365 ‹ previous : 208-656 next › : 208-657 Telephone Number List 208-657-0000 ~ 208-657-9999