Area Code 435-840 located in SALT LAKE CITY, SALT LAKE, UT, more detail is as below. Place NPA (Numbering Plan Area) : 435 NXX (Local Number Prefix) : 840 City : SALT LAKE CITY County : SALT LAKE State : UT (Utah) NXX Use Type : Wireless NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 49035 LATA (Local Access Transport Area) : 660 Rate Center : TOOELE ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 84118 Other Information NPANXX : 435840 County Population : 0 Switch CLLI (Common Language Location Identifier) : WJRDUT30CM1 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT OCN (Operating Company Number) : 6571 Coverage Area Name : TOOELE Latitude : 40.5343 Longitude : -112.2969 ‹ previous : 435-839 next › : 435-840 Telephone Number List 435-840-0000 ~ 435-840-9999