Area Code 435-604 located in PARK CITY, SUMMIT, UT, more detail is as below. Place NPA (Numbering Plan Area) : 435 NXX (Local Number Prefix) : 604 City : PARK CITY County : SUMMIT State : UT (Utah) NXX Use Type : Landline NXX Intro Version : 1998-08-14 FIPS (Federal Information Processing Standards) : 49043 LATA (Local Access Transport Area) : 660 Rate Center : PARK CITY ZIP Code Count : 33 ZIP Code Frequency : 100 ZIP Code : 84098 Other Information NPANXX : 435604 County Population : 0 Switch CLLI (Common Language Location Identifier) : WVCYUTBXDS0 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 : TELEPORT COMMUNICATIONS AMERICA, LLC - UT OCN (Operating Company Number) : 7530 Coverage Area Name : PARK CITY Latitude : 40.6512 Longitude : -111.4984 ‹ previous : 435-603 next › : 435-608 Telephone Number List 435-604-0000 ~ 435-604-9999