ZIP Code 53597 — Waunakee, WI
53597 is a standard (street delivery) ZIP code serving Waunakee, Wisconsin, in Dane 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 53597 at a glance
| ZIP code | 53597 |
|---|---|
| Primary city | Waunakee |
| State | Wisconsin (WI) |
| County | Dane FIPS 55025 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 21,426 |
| Coordinates | 43.182580, -89.457260 |
How ZIP+4 works in 53597
The four digits after the hyphen encode a delivery segment inside 53597. 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 53597 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 53597.
| ZIP | City | Distance |
|---|---|---|
| 53529 | Dane, WI | 5.3 mi |
| 53598 | Windsor, WI | 6.2 mi |
| 53562 | Middleton, WI | 6.3 mi |
| 53704 | Madison, WI | 6.4 mi |
| 53792 | Madison, WI | 7.4 mi |
| 53705 | Madison, WI | 7.5 mi |
| 53706 | Madison, WI | 7.8 mi |
| 53726 | Madison, WI | 7.9 mi |
| 53532 | Deforest, WI | 8.1 mi |
| 53717 | Madison, WI | 8.1 mi |
| 53703 | Madison, WI | 8.2 mi |
| 53571 | Morrisonville, WI | 8.4 mi |
Questions about 53597
What is the ZIP+4 code for 53597?
53597 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 53597, you need to look up a specific street address to get them.
What city is 53597?
53597 is assigned to Waunakee, Wisconsin, in Dane 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.