ZIP Code 54536 — Iron Belt, WI
54536 is a standard (street delivery) ZIP code serving Iron Belt, Wisconsin, in Iron 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 54536 at a glance
| ZIP code | 54536 |
|---|---|
| Primary city | Iron Belt |
| State | Wisconsin (WI) |
| County | Iron FIPS 55051 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 154 |
| Coordinates | 46.336030, -90.344880 |
How ZIP+4 works in 54536
The four digits after the hyphen encode a delivery segment inside 54536. 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 54536 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 54536.
| ZIP | City | Distance |
|---|---|---|
| 54550 | Montreal, WI | 4.1 mi |
| 54534 | Hurley, WI | 5.3 mi |
| 54565 | Upson, WI | 5.5 mi |
| 54525 | Gile, WI | 8.8 mi |
| 54559 | Saxon, WI | 12.4 mi |
| 54547 | Mercer, WI | 15.5 mi |
| 49938 | Ironwood, MI | 16 mi |
| 49911 | Bessemer, MI | 17.6 mi |
| 54546 | Mellen, WI | 17.7 mi |
| 54846 | High Bridge, WI | 18.3 mi |
| 49959 | Ramsay, MI | 18.9 mi |
| 54527 | Glidden, WI | 19.6 mi |
Questions about 54536
What is the ZIP+4 code for 54536?
54536 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 54536, you need to look up a specific street address to get them.
What city is 54536?
54536 is assigned to Iron Belt, Wisconsin, in Iron 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.