ZIP Code 46531 — Grovertown, IN
46531 is a standard (street delivery) ZIP code serving Grovertown, Indiana, in Starke 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 46531 at a glance
| ZIP code | 46531 |
|---|---|
| Primary city | Grovertown |
| State | Indiana (IN) |
| County | Starke FIPS 18149 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Knox |
| Population | 1,825 |
| Coordinates | 41.356860, -86.515580 |
How ZIP+4 works in 46531
The four digits after the hyphen encode a delivery segment inside 46531. 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 46531 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 46531.
| ZIP | City | Distance |
|---|---|---|
| 46513 | Donaldson, IN | 3.5 mi |
| 46532 | Hamlet, IN | 6.9 mi |
| 46534 | Knox, IN | 7.3 mi |
| 46572 | Tyner, IN | 7.3 mi |
| 46574 | Walkerton, IN | 8.2 mi |
| 46563 | Plymouth, IN | 9.8 mi |
| 46511 | Culver, IN | 10.3 mi |
| 46346 | Kingsford Heights, IN | 12.4 mi |
| 46537 | Lapaz, IN | 12.8 mi |
| 46968 | Ora, IN | 13 mi |
| 46340 | Hanna, IN | 13.2 mi |
| 46960 | Monterey, IN | 13.8 mi |
Questions about 46531
What is the ZIP+4 code for 46531?
46531 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 46531, you need to look up a specific street address to get them.
What city is 46531?
46531 is assigned to Grovertown, Indiana, in Starke 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.