ZIP Code 54501 — Rhinelander, WI
54501 is a standard (street delivery) ZIP code serving Rhinelander, Wisconsin, in Oneida 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 54501 at a glance
| ZIP code | 54501 |
|---|---|
| Primary city | Rhinelander |
| State | Wisconsin (WI) |
| County | Oneida FIPS 55085 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 21,405 |
| Coordinates | 45.659730, -89.343030 |
How ZIP+4 works in 54501
The four digits after the hyphen encode a delivery segment inside 54501. 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 54501 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 54501.
| ZIP | City | Distance |
|---|---|---|
| 54463 | Pelican Lake, WI | 11.9 mi |
| 54539 | Lake Tomahawk, WI | 15.2 mi |
| 54529 | Harshaw, WI | 15.3 mi |
| 54562 | Three Lakes, WI | 16.4 mi |
| 54428 | Elcho, WI | 17.5 mi |
| 54521 | Eagle River, WI | 18.2 mi |
| 54485 | Summit Lake, WI | 19.3 mi |
| 54558 | Saint Germain, WI | 19.7 mi |
| 54435 | Gleason, WI | 21.9 mi |
| 54520 | Crandon, WI | 21.9 mi |
| 54531 | Hazelhurst, WI | 22.3 mi |
| 54487 | Tomahawk, WI | 22.4 mi |
Questions about 54501
What is the ZIP+4 code for 54501?
54501 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 54501, you need to look up a specific street address to get them.
What city is 54501?
54501 is assigned to Rhinelander, Wisconsin, in Oneida 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.