Find the last 4 digits (ZIP+4) for an address in 84121

ZIP 84121, Salt Lake City, UT is filled in. Just type the street address.

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ZIP Code 84121 – Salt Lake City, UT

Salt Lake City, Utah · Salt Lake County · Mountain time

ZIP code84121
CitySalt Lake City
StateUtah
CountySalt Lake County
Population38,912
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area64.45 sq mi
Center (lat, long)40.6170, -111.6868

Area codes in this area

435

These are the area codes that most often serve ZIP 84121 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

84092 Sandy · 4.7 mi84109 Salt Lake City · 6.2 mi84124 Salt Lake City · 7.2 mi84093 Sandy · 7.6 mi84117 Salt Lake City · 8.4 mi84004 Alpine · 9.1 mi84060 Park City · 9.6 mi84094 Sandy · 9.7 mi

About ZIP 84121

ZIP code 84121 is assigned to Salt Lake City, Utah. It lies in Salt Lake County. Its Census area covers about 64.45 square miles of land. The closest neighboring ZIP is 84092 (Sandy), about 4.7 miles away.

Every address in 84121 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources