ZIP Code 46730 — Corunna, IN
46730 is a standard (street delivery) ZIP code serving Corunna, Indiana, in DeKalb 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 46730 at a glance
| ZIP code | 46730 |
|---|---|
| Primary city | Corunna |
| State | Indiana (IN) |
| County | DeKalb FIPS 18033 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 1,299 |
| Coordinates | 41.454000, -85.155040 |
How ZIP+4 works in 46730
The four digits after the hyphen encode a delivery segment inside 46730. 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 46730 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 46730.
| ZIP | City | Distance |
|---|---|---|
| 46755 | Kendallville, IN | 6.1 mi |
| 46705 | Ashley, IN | 6.6 mi |
| 46793 | Waterloo, IN | 7 mi |
| 46747 | Hudson, IN | 7.3 mi |
| 46786 | South Milford, IN | 8.1 mi |
| 46710 | Avilla, IN | 8.7 mi |
| 46789 | Stroh, IN | 9.1 mi |
| 46738 | Garrett, IN | 9.2 mi |
| 46706 | Auburn, IN | 9.8 mi |
| 46779 | Pleasant Lake, IN | 10.4 mi |
| 46795 | Wolcottville, IN | 11.7 mi |
| 46763 | Laotto, IN | 11.9 mi |
Questions about 46730
What is the ZIP+4 code for 46730?
46730 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 46730, you need to look up a specific street address to get them.
What city is 46730?
46730 is assigned to Corunna, Indiana, in DeKalb 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.