Area Code 208-838 located in CLAYTON, CUSTER, ID, more detail is as below. Place NPA (Numbering Plan Area) : 208 NXX (Local Number Prefix) : 838 City : CLAYTON 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 : CLAYTON ZIP Code Count : 183 ZIP Code Frequency : 91 ZIP Code : 83227 Other Information NPANXX : 208838 County Population : 0 Switch CLLI (Common Language Location Identifier) : CYTNIDXCRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CUSTER TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 2218 Coverage Area Name : CLAYTON Latitude : 44.2680 Longitude : -114.3791 ‹ previous : 208-838 next › : 208-839 Telephone Number List 208-838-0000 ~ 208-838-9999