Area Code 208-879 located in CHALLIS, CUSTER, ID, more detail is as below. Place NPA (Numbering Plan Area) : 208 NXX (Local Number Prefix) : 879 City : CHALLIS County : CUSTER State : ID (Idaho) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 16037 LATA (Local Access Transport Area) : 652 Rate Center : CHALLIS ZIP Code Count : 1225 ZIP Code Frequency : 100 ZIP Code : 83226 Other Information NPANXX : 208879 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHLSIDXCDS0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CUSTER TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 2218 Coverage Area Name : CHALLIS Latitude : 44.4991 Longitude : -114.2235 ‹ previous : 208-878 next › : 208-880 Telephone Number List 208-879-0000 ~ 208-879-9999