ZIP Code 54857 — Mikana, WI
54857 is a standard (street delivery) ZIP code serving Mikana, Wisconsin, in Barron 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 54857 at a glance
| ZIP code | 54857 |
|---|---|
| Primary city | Mikana |
| State | Wisconsin (WI) |
| County | Barron FIPS 55005 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 34 |
| Coordinates | 45.593470, -91.599270 |
How ZIP+4 works in 54857
The four digits after the hyphen encode a delivery segment inside 54857. 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 54857 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 54857.
| ZIP | City | Distance |
|---|---|---|
| 54817 | Birchwood, WI | 6.1 mi |
| 54868 | Rice Lake, WI | 7 mi |
| 54841 | Haugen, WI | 8.7 mi |
| 54870 | Sarona, WI | 11.6 mi |
| 54895 | Weyerhaeuser, WI | 12.8 mi |
| 54822 | Cameron, WI | 14.6 mi |
| 54819 | Bruce, WI | 16.4 mi |
| 54876 | Stone Lake, WI | 16.7 mi |
| 54835 | Exeland, WI | 17.8 mi |
| 54812 | Barron, WI | 19.1 mi |
| 54728 | Chetek, WI | 19.8 mi |
| 54813 | Barronett, WI | 21.3 mi |
Questions about 54857
What is the ZIP+4 code for 54857?
54857 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 54857, you need to look up a specific street address to get them.
What city is 54857?
54857 is assigned to Mikana, Wisconsin, in Barron 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.