Area Code 801-257 located in SALT LAKE CITY, SALT LAKE, UT, more detail is as below. Place NPA (Numbering Plan Area) : 801 NXX (Local Number Prefix) : 257 City : SALT LAKE CITY County : SALT LAKE State : UT (Utah) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 49035 LATA (Local Access Transport Area) : 660 Rate Center : SALT LAKE ZIP Code Count : 27 ZIP Code Frequency : 15 ZIP Code : 84111 Other Information NPANXX : 801257 Switch CLLI (Common Language Location Identifier) : SLKCUTMADS0 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 : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : S SALT LAKE Latitude : 40.7677 Longitude : -111.8851 ‹ previous : 801-257 next › : 801-257 Telephone Number List 801-257-0000 ~ 801-257-9999