ZIP Code 54456 — Neillsville, WI
54456 is a standard (street delivery) ZIP code serving Neillsville, Wisconsin, in Clark 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 54456 at a glance
| ZIP code | 54456 |
|---|---|
| Primary city | Neillsville |
| State | Wisconsin (WI) |
| County | Clark FIPS 55019 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 5,890 |
| Coordinates | 44.545110, -90.638240 |
How ZIP+4 works in 54456
The four digits after the hyphen encode a delivery segment inside 54456. 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 54456 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 54456.
| ZIP | City | Distance |
|---|---|---|
| 54436 | Granton, WI | 10.2 mi |
| 54754 | Merrillan, WI | 10.5 mi |
| 54746 | Humbird, WI | 11.5 mi |
| 54493 | Willard, WI | 13.4 mi |
| 54420 | Chili, WI | 14.9 mi |
| 54437 | Greenwood, WI | 16.1 mi |
| 54446 | Loyal, WI | 16.5 mi |
| 54611 | Alma Center, WI | 16.9 mi |
| 54741 | Fairchild, WI | 17.5 mi |
| 54466 | Pittsville, WI | 19.3 mi |
| 54615 | Black River Falls, WI | 20.8 mi |
| 54479 | Spencer, WI | 21.2 mi |
Questions about 54456
What is the ZIP+4 code for 54456?
54456 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 54456, you need to look up a specific street address to get them.
What city is 54456?
54456 is assigned to Neillsville, Wisconsin, in Clark 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.