ZIP Code 54154 — Oconto Falls, WI
54154 is a standard (street delivery) ZIP code serving Oconto Falls, Wisconsin, in Oconto 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 54154 at a glance
| ZIP code | 54154 |
|---|---|
| Primary city | Oconto Falls |
| State | Wisconsin (WI) |
| County | Oconto FIPS 55083 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 5,741 |
| Coordinates | 44.867020, -88.190580 |
How ZIP+4 works in 54154
The four digits after the hyphen encode a delivery segment inside 54154. 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 54154 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 54154.
| ZIP | City | Distance |
|---|---|---|
| 54127 | Green Valley, WI | 6.1 mi |
| 54137 | Krakow, WI | 8.1 mi |
| 54101 | Abrams, WI | 8.4 mi |
| 54139 | Lena, WI | 8.4 mi |
| 54124 | Gillett, WI | 9 mi |
| 54111 | Cecil, WI | 9.9 mi |
| 54171 | Sobieski, WI | 10.7 mi |
| 54141 | Little Suamico, WI | 13.2 mi |
| 54153 | Oconto, WI | 13.2 mi |
| 54112 | Coleman, WI | 14.2 mi |
| 54162 | Pulaski, WI | 14.6 mi |
| 54174 | Suring, WI | 16.7 mi |
Questions about 54154
What is the ZIP+4 code for 54154?
54154 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 54154, you need to look up a specific street address to get them.
What city is 54154?
54154 is assigned to Oconto Falls, Wisconsin, in Oconto 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.