Area Code 435-204 located in TOOELE, TOOELE, UT, more detail is as below. Place NPA (Numbering Plan Area) : 435 NXX (Local Number Prefix) : 204 City : TOOELE County : TOOELE State : UT (Utah) NXX Use Type : Wireless NXX Intro Version : 2001-06-30 FIPS (Federal Information Processing Standards) : 49045 LATA (Local Access Transport Area) : 660 Rate Center : TOOELE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 84074 Other Information NPANXX : 435204 County Population : 0 Switch CLLI (Common Language Location Identifier) : SLKDUTVF0MD 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 : USA MOBILITY WIRELESS, INC. OCN (Operating Company Number) : 6630 Coverage Area Name : TOOELE Latitude : 40.5343 Longitude : -112.2969 ‹ previous : 435-203 next › : 435-205 Telephone Number List 435-204-0000 ~ 435-204-9999