ZIP Code 54721 — Arkansaw, WI
54721 is a standard (street delivery) ZIP code serving Arkansaw, Wisconsin, in Pepin 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 54721 at a glance
| ZIP code | 54721 |
|---|---|
| Primary city | Arkansaw |
| State | Wisconsin (WI) |
| County | Pepin FIPS 55091 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,367 |
| Coordinates | 44.630400, -92.070980 |
How ZIP+4 works in 54721
The four digits after the hyphen encode a delivery segment inside 54721. 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 54721 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 54721.
| ZIP | City | Distance |
|---|---|---|
| 54761 | Plum City, WI | 5.3 mi |
| 54737 | Eau Galle, WI | 7.3 mi |
| 54736 | Durand, WI | 8.4 mi |
| 54740 | Elmwood, WI | 9 mi |
| 54759 | Pepin, WI | 10.1 mi |
| 54750 | Maiden Rock, WI | 11 mi |
| 54769 | Stockholm, WI | 11.6 mi |
| 54756 | Nelson, WI | 13.2 mi |
| 55026 | Frontenac, MN | 15.1 mi |
| 55968 | Reads Landing, MN | 16.1 mi |
| 54767 | Spring Valley, WI | 16.3 mi |
| 54751 | Menomonie, WI | 16.6 mi |
Questions about 54721
What is the ZIP+4 code for 54721?
54721 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 54721, you need to look up a specific street address to get them.
What city is 54721?
54721 is assigned to Arkansaw, Wisconsin, in Pepin 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.