ZIP Code 82839 — Ranchester, WY
82839 is a standard (street delivery) ZIP code serving Ranchester, Wyoming, in Sheridan 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 82839 at a glance
| ZIP code | 82839 |
|---|---|
| Primary city | Ranchester |
| State | Wyoming (WY) |
| County | Sheridan FIPS 56033 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 1,661 |
| Coordinates | 44.928870, -107.157620 |
How ZIP+4 works in 82839
The four digits after the hyphen encode a delivery segment inside 82839. 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 82839 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 82839.
| ZIP | City | Distance |
|---|---|---|
| 82844 | Wolf, WY | 8.9 mi |
| 82801 | Sheridan, WY | 14.4 mi |
| 59089 | Wyola, MT | 14.5 mi |
| 82838 | Parkman, WY | 16 mi |
| 82836 | Dayton, WY | 21.4 mi |
| 82833 | Big Horn, WY | 21.6 mi |
| 59025 | Decker, MT | 24.4 mi |
| 82845 | Wyarno, WY | 24.9 mi |
| 82842 | Story, WY | 26.9 mi |
| 59050 | Lodge Grass, MT | 27.1 mi |
| 82832 | Banner, WY | 30.4 mi |
| 82441 | Shell, WY | 32.6 mi |
Questions about 82839
What is the ZIP+4 code for 82839?
82839 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 82839, you need to look up a specific street address to get them.
What city is 82839?
82839 is assigned to Ranchester, Wyoming, in Sheridan 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.