Area Code 435-822 located in DUCHESNE, DUCHESNE, UT, more detail is as below. Place NPA (Numbering Plan Area) : 435 NXX (Local Number Prefix) : 822 City : DUCHESNE County : DUCHESNE State : UT (Utah) NXX Use Type : Wireless NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 49013 LATA (Local Access Transport Area) : 660 Rate Center : DUCHESNE ZIP Code Count : 4 ZIP Code Frequency : 100 ZIP Code : 84021 Other Information NPANXX : 435822 County Population : 0 Switch CLLI (Common Language Location Identifier) : BTRGUTQACM1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS OCN (Operating Company Number) : 1772 Coverage Area Name : DUCHESNE Latitude : 40.1653 Longitude : -110.3978 ‹ previous : 435-820 next › : 435-823 Telephone Number List 435-822-0000 ~ 435-822-9999