ZIP Code 53964 — Westfield, WI
53964 is a standard (street delivery) ZIP code serving Westfield, Wisconsin, in Marquette 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 53964 at a glance
| ZIP code | 53964 |
|---|---|
| Primary city | Westfield |
| State | Wisconsin (WI) |
| County | Marquette FIPS 55077 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,371 |
| Coordinates | 43.912530, -89.502500 |
How ZIP+4 works in 53964
The four digits after the hyphen encode a delivery segment inside 53964. 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 53964 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 53964.
| ZIP | City | Distance |
|---|---|---|
| 54930 | Coloma, WI | 8.6 mi |
| 53952 | Oxford, WI | 9.8 mi |
| 53953 | Packwaukee, WI | 10.3 mi |
| 53936 | Grand Marsh, WI | 10.7 mi |
| 53949 | Montello, WI | 12 mi |
| 54960 | Neshkoro, WI | 14 mi |
| 54943 | Hancock, WI | 15.1 mi |
| 54982 | Wautoma, WI | 15.1 mi |
| 53910 | Adams, WI | 15.2 mi |
| 53930 | Endeavor, WI | 15.8 mi |
| 53934 | Friendship, WI | 16.6 mi |
| 53920 | Briggsville, WI | 17.8 mi |
Questions about 53964
What is the ZIP+4 code for 53964?
53964 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 53964, you need to look up a specific street address to get them.
What city is 53964?
53964 is assigned to Westfield, Wisconsin, in Marquette 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.