ZIP codes in Uintah County
12 ZIPs touch Uintah County, Utah. The blue dashed line is the county border; orange ZIPs reach into it.
12
ZIP codes
3
cross the county line
50,610
people in these ZIPs
29
counties in UT
Most people
Uintah County ZIP list
More counties in Utah
- Salt Lake County72
- San Juan County10
- Sanpete County15
- Sevier County12
- Summit County9
- Tooele County8
- Utah County29
- Wasatch County6
- Washington County23
- Wayne County6
- Weber County17
Questions people actually ask
How many ZIP codes are in Uintah County, Utah?
12 ZIP codes reach into Uintah County, including 1 PO Box or single-address ZIPs placed by the town they serve. 3 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Uintah County has the most people?
84078 (Vernal) has about 30,975 residents, the most of any ZIP touching Uintah County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Uintah County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Uintah County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from