ZIP Code 54149 — Mountain, WI
54149 is a standard (street delivery) ZIP code serving Mountain, 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 54149 at a glance
| ZIP code | 54149 |
|---|---|
| Primary city | Mountain |
| State | Wisconsin (WI) |
| County | Oconto FIPS 55083 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,210 |
| Coordinates | 45.204000, -88.474450 |
How ZIP+4 works in 54149
The four digits after the hyphen encode a delivery segment inside 54149. 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 54149 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 54149.
| ZIP | City | Distance |
|---|---|---|
| 54138 | Lakewood, WI | 9 mi |
| 54175 | Townsend, WI | 10.1 mi |
| 54174 | Suring, WI | 11.8 mi |
| 54491 | White Lake, WI | 14.3 mi |
| 54161 | Pound, WI | 16.4 mi |
| 54566 | Wabeno, WI | 17.1 mi |
| 54114 | Crivitz, WI | 17.5 mi |
| 54104 | Athelstane, WI | 19.2 mi |
| 54430 | Elton, WI | 20.6 mi |
| 54135 | Keshena, WI | 21.1 mi |
| 54124 | Gillett, WI | 21.2 mi |
| 54150 | Neopit, WI | 22.2 mi |
Questions about 54149
What is the ZIP+4 code for 54149?
54149 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 54149, you need to look up a specific street address to get them.
What city is 54149?
54149 is assigned to Mountain, 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.