ZIP Code 47451 — Oolitic, IN
47451 is a standard (street delivery) ZIP code serving Oolitic, Indiana, in Lawrence 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 47451 at a glance
| ZIP code | 47451 |
|---|---|
| Primary city | Oolitic |
| State | Indiana (IN) |
| County | Lawrence FIPS 18093 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 1,595 |
| Coordinates | 38.891760, -86.525360 |
How ZIP+4 works in 47451
The four digits after the hyphen encode a delivery segment inside 47451. 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 47451 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 47451.
| ZIP | City | Distance |
|---|---|---|
| 47420 | Avoca, IN | 2.3 mi |
| 47421 | Bedford, IN | 4.4 mi |
| 47462 | Springville, IN | 8 mi |
| 47470 | Williams, IN | 8.4 mi |
| 47434 | Harrodsburg, IN | 8.4 mi |
| 47436 | Heltonville, IN | 8.9 mi |
| 47446 | Mitchell, IN | 10.6 mi |
| 47458 | Smithville, IN | 12.4 mi |
| 47467 | Tunnelton, IN | 12.9 mi |
| 47453 | Owensburg, IN | 13.3 mi |
| 47401 | Bloomington, IN | 14 mi |
| 47403 | Bloomington, IN | 14.2 mi |
Questions about 47451
What is the ZIP+4 code for 47451?
47451 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 47451, you need to look up a specific street address to get them.
What city is 47451?
47451 is assigned to Oolitic, Indiana, in Lawrence 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.