Area Code 208-355 located in MIDVALE, WASHINGTON, ID, more detail is as below. Place NPA (Numbering Plan Area) : 208 NXX (Local Number Prefix) : 355 City : MIDVALE 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 : MIDVALE ZIP Code Count : 261 ZIP Code Frequency : 100 ZIP Code : 83645 Other Information NPANXX : 208355 County Population : 0 Switch CLLI (Common Language Location Identifier) : MDVAIDXCDS0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : MIDVALE TELEPHONE EXCHANGE, INC. OCN (Operating Company Number) : 2226 Coverage Area Name : MIDVALE Latitude : 44.4672 Longitude : -116.7289 ‹ previous : 208-354 next › : 208-356 Telephone Number List 208-355-0000 ~ 208-355-9999