ZIP Code 53946 — Markesan, WI
53946 is a standard (street delivery) ZIP code serving Markesan, Wisconsin, in Green Lake 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 53946 at a glance
| ZIP code | 53946 |
|---|---|
| Primary city | Markesan |
| State | Wisconsin (WI) |
| County | Green Lake FIPS 55047 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 4,333 |
| Coordinates | 43.718220, -89.021890 |
How ZIP+4 works in 53946
The four digits after the hyphen encode a delivery segment inside 53946. 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 53946 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 53946.
| ZIP | City | Distance |
|---|---|---|
| 53939 | Kingston, WI | 5.8 mi |
| 53947 | Marquette, WI | 6.1 mi |
| 53931 | Fairwater, WI | 7.9 mi |
| 53935 | Friesland, WI | 9.2 mi |
| 54941 | Green Lake, WI | 9.3 mi |
| 53926 | Dalton, WI | 10.2 mi |
| 54968 | Princeton, WI | 10.6 mi |
| 53923 | Cambria, WI | 11.5 mi |
| 53956 | Randolph, WI | 12.2 mi |
| 53933 | Fox Lake, WI | 12.2 mi |
| 53919 | Brandon, WI | 12.3 mi |
| 54971 | Ripon, WI | 13.4 mi |
Questions about 53946
What is the ZIP+4 code for 53946?
53946 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 53946, you need to look up a specific street address to get them.
What city is 53946?
53946 is assigned to Markesan, Wisconsin, in Green Lake 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.