ZIP Code 47631 — New Harmony, IN
47631 is a standard (street delivery) ZIP code serving New Harmony, Indiana, in Posey 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 47631 at a glance
| ZIP code | 47631 |
|---|---|
| Primary city | New Harmony |
| State | Indiana (IN) |
| County | Posey FIPS 18129 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,148 |
| Coordinates | 38.100820, -87.909670 |
How ZIP+4 works in 47631
The four digits after the hyphen encode a delivery segment inside 47631. 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 47631 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 47631.
| ZIP | City | Distance |
|---|---|---|
| 47638 | Wadesville, IN | 7.6 mi |
| 47633 | Poseyville, IN | 8.1 mi |
| 62827 | Crossville, IL | 8.4 mi |
| 62861 | Maunie, IL | 8.7 mi |
| 47616 | Griffin, IN | 9.2 mi |
| 47620 | Mount Vernon, IN | 11.6 mi |
| 62821 | Carmi, IL | 12.3 mi |
| 47612 | Cynthiana, IN | 13 mi |
| 62844 | Grayville, IL | 13.1 mi |
| 47720 | Evansville, IN | 14.8 mi |
| 47665 | Owensville, IN | 15.8 mi |
| 62867 | New Haven, IL | 17 mi |
Questions about 47631
What is the ZIP+4 code for 47631?
47631 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 47631, you need to look up a specific street address to get them.
What city is 47631?
47631 is assigned to New Harmony, Indiana, in Posey 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.