Area Code 208-538 located in RIRIE, JEFFERSON, ID, more detail is as below. Place NPA (Numbering Plan Area) : 208 NXX (Local Number Prefix) : 538 City : RIRIE County : JEFFERSON State : ID (Idaho) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 16051 LATA (Local Access Transport Area) : 652 Rate Center : IDAHOFALLS ZIP Code Count : 321 ZIP Code Frequency : 42 ZIP Code : 83443 Other Information NPANXX : 208538 County Population : 0 Switch CLLI (Common Language Location Identifier) : RIRIIDMARS1 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 : RIRIE Latitude : 43.6322 Longitude : -111.7770 ‹ previous : 208-537 next › : 208-538 Telephone Number List 208-538-0000 ~ 208-538-9999