Area Code 801-439 located in SALT LAKE CITY, SALT LAKE, UT, more detail is as below. Place NPA (Numbering Plan Area) : 801 NXX (Local Number Prefix) : 439 City : SALT LAKE CITY County : SALT LAKE State : UT (Utah) NXX Use Type : Landline NXX Intro Version : 2004-05-02 FIPS (Federal Information Processing Standards) : 49035 LATA (Local Access Transport Area) : 660 Rate Center : HOLLADAY ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 84124 Other Information NPANXX : 801439 Switch CLLI (Common Language Location Identifier) : SLKEUT45DS0 MSA CBSA (Core Based Statistical Area) : Salt Lake City, UT MSA CBSA Code (Core Based Statistical Area) : 41620 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : FIRSTDIGITAL TELECOM, LLC OCN (Operating Company Number) : 5727 Coverage Area Name : HOLLADAY Latitude : 40.6513 Longitude : -111.8073 ‹ previous : 801-438 next › : 801-439 Telephone Number List 801-439-0000 ~ 801-439-9999