ZIP Code 47857 — Knightsville, IN
47857 is a standard (street delivery) ZIP code serving Knightsville, Indiana, in Clay 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 47857 at a glance
| ZIP code | 47857 |
|---|---|
| Primary city | Knightsville |
| State | Indiana (IN) |
| County | Clay FIPS 18021 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 341 |
| Coordinates | 39.524030, -87.091110 |
How ZIP+4 works in 47857
The four digits after the hyphen encode a delivery segment inside 47857. 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 47857 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 47857.
| ZIP | City | Distance |
|---|---|---|
| 47853 | Harmony, IN | 1.4 mi |
| 47834 | Brazil, IN | 1.7 mi |
| 47881 | Staunton, IN | 5.9 mi |
| 46171 | Reelsville, IN | 6.6 mi |
| 47837 | Carbon, IN | 7.4 mi |
| 47840 | Centerpoint, IN | 8.1 mi |
| 47851 | Fontanet, IN | 8.9 mi |
| 47836 | Bridgeton, IN | 9.7 mi |
| 47803 | Terre Haute, IN | 12.3 mi |
| 47874 | Rosedale, IN | 12.3 mi |
| 47846 | Cory, IN | 12.4 mi |
| 46170 | Putnamville, IN | 12.6 mi |
Questions about 47857
What is the ZIP+4 code for 47857?
47857 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 47857, you need to look up a specific street address to get them.
What city is 47857?
47857 is assigned to Knightsville, Indiana, in Clay 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.