ZIP Code 47528 — Edwardsport, IN
47528 is a standard (street delivery) ZIP code serving Edwardsport, Indiana, in Knox 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 47528 at a glance
| ZIP code | 47528 |
|---|---|
| Primary city | Edwardsport |
| State | Indiana (IN) |
| County | Knox FIPS 18083 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Vincennes |
| Population | 457 |
| Coordinates | 38.844470, -87.268060 |
How ZIP+4 works in 47528
The four digits after the hyphen encode a delivery segment inside 47528. 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 47528 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 47528.
| ZIP | City | Distance |
|---|---|---|
| 47596 | Westphalia, IN | 2.2 mi |
| 47535 | Freelandville, IN | 2.7 mi |
| 47578 | Sandborn, IN | 5.3 mi |
| 47512 | Bicknell, IN | 5.3 mi |
| 47573 | Ragsdale, IN | 7.5 mi |
| 47568 | Plainville, IN | 8 mi |
| 47561 | Oaktown, IN | 9.1 mi |
| 47838 | Carlisle, IN | 9.7 mi |
| 47516 | Bruceville, IN | 9.8 mi |
| 47529 | Elnora, IN | 10.3 mi |
| 47443 | Lyons, IN | 12.7 mi |
| 47501 | Washington, IN | 13.6 mi |
Questions about 47528
What is the ZIP+4 code for 47528?
47528 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 47528, you need to look up a specific street address to get them.
What city is 47528?
47528 is assigned to Edwardsport, Indiana, in Knox 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.