ZIP Code 84066 — Roosevelt, UT
84066 is a standard (street delivery) ZIP code serving Roosevelt, Utah, in Duchesne County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 84066 at a glance
| ZIP code | 84066 |
|---|---|
| Primary city | Roosevelt |
| State | Utah (UT) |
| County | Duchesne FIPS 49013 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 15,154 |
| Coordinates | 40.346710, -110.051710 |
How ZIP+4 works in 84066
The four digits after the hyphen encode a delivery segment inside 84066. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 84066 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 84066.
| ZIP | City | Distance |
|---|---|---|
| 84053 | Neola, UT | 6.8 mi |
| 84007 | Bluebell, UT | 8.7 mi |
| 84001 | Altamont, UT | 11.6 mi |
| 84026 | Fort Duchesne, UT | 11.8 mi |
| 84052 | Myton, UT | 12.7 mi |
| 84002 | Altonah, UT | 13.1 mi |
| 84076 | Tridell, UT | 13.1 mi |
| 84039 | Lapoint, UT | 14.5 mi |
| 84085 | Whiterocks, UT | 17.8 mi |
| 84073 | Talmage, UT | 19 mi |
| 84051 | Mountain Home, UT | 20.2 mi |
| 84063 | Randlett, UT | 21.1 mi |
Questions about 84066
What is the ZIP+4 code for 84066?
84066 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 84066, you need to look up a specific street address to get them.
What city is 84066?
84066 is assigned to Roosevelt, Utah, in Duchesne County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.