ZIP Code 46733 — Decatur, IN
46733 is a standard (street delivery) ZIP code serving Decatur, Indiana, in Adams 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 46733 at a glance
| ZIP code | 46733 |
|---|---|
| Primary city | Decatur |
| State | Indiana (IN) |
| County | Adams FIPS 18001 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 19,318 |
| Coordinates | 40.830330, -84.940230 |
How ZIP+4 works in 46733
The four digits after the hyphen encode a delivery segment inside 46733. 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 46733 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 46733.
| ZIP | City | Distance |
|---|---|---|
| 46772 | Monroe, IN | 7.6 mi |
| 46731 | Craigville, IN | 8.8 mi |
| 45899 | Wren, OH | 8.9 mi |
| 46745 | Hoagland, IN | 9.1 mi |
| 46773 | Monroeville, IN | 11.1 mi |
| 45898 | Willshire, OH | 11.3 mi |
| 46777 | Ossian, IN | 11.5 mi |
| 46711 | Berne, IN | 11.5 mi |
| 45832 | Convoy, OH | 12.7 mi |
| 46816 | Fort Wayne, IN | 13.1 mi |
| 46819 | Fort Wayne, IN | 13.6 mi |
| 45874 | Ohio City, OH | 14 mi |
Questions about 46733
What is the ZIP+4 code for 46733?
46733 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 46733, you need to look up a specific street address to get them.
What city is 46733?
46733 is assigned to Decatur, Indiana, in Adams 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.