ZIP Code 54020 — Osceola, WI
54020 is a standard (street delivery) ZIP code serving Osceola, Wisconsin, in Polk 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 54020 at a glance
| ZIP code | 54020 |
|---|---|
| Primary city | Osceola |
| State | Wisconsin (WI) |
| County | Polk FIPS 55095 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 7,687 |
| Coordinates | 45.279370, -92.652350 |
How ZIP+4 works in 54020
The four digits after the hyphen encode a delivery segment inside 54020. 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 54020 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 54020.
| ZIP | City | Distance |
|---|---|---|
| 54009 | Dresser, WI | 6.3 mi |
| 54026 | Star Prairie, WI | 6.8 mi |
| 55074 | Shafer, MN | 8.2 mi |
| 55073 | Scandia, MN | 8.5 mi |
| 54025 | Somerset, WI | 9.7 mi |
| 55047 | Marine On Saint Croix, MN | 9.7 mi |
| 55045 | Lindstrom, MN | 11.9 mi |
| 54017 | New Richmond, WI | 12.8 mi |
| 55084 | Taylors Falls, MN | 12.8 mi |
| 55013 | Chisago City, MN | 12.9 mi |
| 55012 | Center City, MN | 13 mi |
| 54001 | Amery, WI | 13.4 mi |
Questions about 54020
What is the ZIP+4 code for 54020?
54020 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 54020, you need to look up a specific street address to get them.
What city is 54020?
54020 is assigned to Osceola, Wisconsin, in Polk 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.