Area Code 208-257 located in CAMBRIDGE, WASHINGTON, ID, more detail is as below. Place NPA (Numbering Plan Area) : 208 NXX (Local Number Prefix) : 257 City : CAMBRIDGE County : WASHINGTON State : ID (Idaho) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 16087 LATA (Local Access Transport Area) : 652 Rate Center : CAMBRIDGE ZIP Code Count : 432 ZIP Code Frequency : 100 ZIP Code : 83610 Other Information NPANXX : 208257 County Population : 0 Switch CLLI (Common Language Location Identifier) : CMBRIDXCDS0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CAMBRIDGE TELEPHONE COMPANY OCN (Operating Company Number) : 2215 Coverage Area Name : CAMBRIDGE Latitude : 44.5760 Longitude : -116.6671 ‹ previous : 208-256 next › : 208-258 Telephone Number List 208-257-0000 ~ 208-257-9999