Area Code 208-557 located in IDAHO FALLS, BONNEVILLE, ID, more detail is as below. Place NPA (Numbering Plan Area) : 208 NXX (Local Number Prefix) : 557 City : IDAHO FALLS County : BONNEVILLE State : ID (Idaho) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 16019 LATA (Local Access Transport Area) : 652 Rate Center : IDAHOFALLS ZIP Code Count : 38 ZIP Code Frequency : 26 ZIP Code : 83404 Other Information NPANXX : 208557 County Population : 0 Switch CLLI (Common Language Location Identifier) : IDFLIDMADS1 MSA CBSA (Core Based Statistical Area) : Idaho Falls, ID MSA CBSA Code (Core Based Statistical Area) : 26820 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : IDAHO FALLS Latitude : 43.4985 Longitude : -112.0352 ‹ previous : 208-557 next › : 208-557 Telephone Number List 208-557-0000 ~ 208-557-9999