ZIP Code 54730 — Colfax, WI
54730 is a standard (street delivery) ZIP code serving Colfax, Wisconsin, in Dunn 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 54730 at a glance
| ZIP code | 54730 |
|---|---|
| Primary city | Colfax |
| State | Wisconsin (WI) |
| County | Dunn FIPS 55033 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 5,578 |
| Coordinates | 45.018360, -91.721430 |
How ZIP+4 works in 54730
The four digits after the hyphen encode a delivery segment inside 54730. 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 54730 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 54730.
| ZIP | City | Distance |
|---|---|---|
| 54772 | Wheeler, WI | 9.2 mi |
| 54739 | Elk Mound, WI | 10.9 mi |
| 54724 | Bloomer, WI | 13.1 mi |
| 54763 | Ridgeland, WI | 13.4 mi |
| 54725 | Boyceville, WI | 14.6 mi |
| 54751 | Menomonie, WI | 15.5 mi |
| 54703 | Eau Claire, WI | 16.2 mi |
| 54729 | Chippewa Falls, WI | 16.8 mi |
| 54757 | New Auburn, WI | 17.5 mi |
| 54749 | Knapp, WI | 19 mi |
| 54733 | Dallas, WI | 19.4 mi |
| 54734 | Downing, WI | 19.8 mi |
Questions about 54730
What is the ZIP+4 code for 54730?
54730 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 54730, you need to look up a specific street address to get them.
What city is 54730?
54730 is assigned to Colfax, Wisconsin, in Dunn 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.