ZIP Code 47991 — West Lebanon, IN
47991 is a standard (street delivery) ZIP code serving West Lebanon, Indiana, in Warren 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 47991 at a glance
| ZIP code | 47991 |
|---|---|
| Primary city | West Lebanon |
| State | Indiana (IN) |
| County | Warren FIPS 18171 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 1,371 |
| Coordinates | 40.280340, -87.447940 |
How ZIP+4 works in 47991
The four digits after the hyphen encode a delivery segment inside 47991. 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 47991 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 47991.
| ZIP | City | Distance |
|---|---|---|
| 47993 | Williamsport, IN | 2.7 mi |
| 47982 | State Line, IN | 7.1 mi |
| 61814 | Bismarck, IL | 7.3 mi |
| 61811 | Alvin, IL | 9.2 mi |
| 47932 | Covington, IN | 10.7 mi |
| 60963 | Rossville, IL | 12.3 mi |
| 47918 | Attica, IN | 12.8 mi |
| 61834 | Danville, IL | 12.9 mi |
| 47917 | Ambia, IN | 13.1 mi |
| 61848 | Henning, IL | 13.4 mi |
| 61832 | Danville, IL | 14.1 mi |
| 47921 | Boswell, IN | 14.2 mi |
Questions about 47991
What is the ZIP+4 code for 47991?
47991 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 47991, you need to look up a specific street address to get them.
What city is 47991?
47991 is assigned to West Lebanon, Indiana, in Warren 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.