ZIP Code 47031 — Milan, IN
47031 is a standard (street delivery) ZIP code serving Milan, Indiana, in Ripley 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 47031 at a glance
| ZIP code | 47031 |
|---|---|
| Primary city | Milan |
| State | Indiana (IN) |
| County | Ripley FIPS 18137 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 5,659 |
| Coordinates | 39.128720, -85.153330 |
How ZIP+4 works in 47031
The four digits after the hyphen encode a delivery segment inside 47031. 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 47031 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 47031.
| ZIP | City | Distance |
|---|---|---|
| 47032 | Moores Hill, IN | 6.2 mi |
| 47041 | Sunman, IN | 8.3 mi |
| 47037 | Osgood, IN | 9.2 mi |
| 47042 | Versailles, IN | 9.7 mi |
| 47018 | Dillsboro, IN | 10.4 mi |
| 47033 | Morris, IN | 10.6 mi |
| 47034 | Napoleon, IN | 10.7 mi |
| 47021 | Friendship, IN | 10.9 mi |
| 47001 | Aurora, IN | 11.6 mi |
| 47006 | Batesville, IN | 11.7 mi |
| 47022 | Guilford, IN | 12.1 mi |
| 47023 | Holton, IN | 12.5 mi |
Questions about 47031
What is the ZIP+4 code for 47031?
47031 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 47031, you need to look up a specific street address to get them.
What city is 47031?
47031 is assigned to Milan, Indiana, in Ripley 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.