ZIP Code 46031 — Atlanta, IN
46031 is a standard (street delivery) ZIP code serving Atlanta, Indiana, in Hamilton 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 46031 at a glance
| ZIP code | 46031 |
|---|---|
| Primary city | Atlanta |
| State | Indiana (IN) |
| County | Hamilton FIPS 18057 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 2,456 |
| Coordinates | 40.209350, -86.010180 |
How ZIP+4 works in 46031
The four digits after the hyphen encode a delivery segment inside 46031. 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 46031 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 46031.
| ZIP | City | Distance |
|---|---|---|
| 46030 | Arcadia, IN | 2.8 mi |
| 46034 | Cicero, IN | 5.5 mi |
| 46047 | Hobbs, IN | 6.1 mi |
| 46072 | Tipton, IN | 6.1 mi |
| 46045 | Goldsmith, IN | 9.2 mi |
| 46062 | Noblesville, IN | 10.5 mi |
| 46060 | Noblesville, IN | 10.7 mi |
| 46036 | Elwood, IN | 11.1 mi |
| 46076 | Windfall, IN | 11.3 mi |
| 46044 | Frankton, IN | 11.6 mi |
| 46068 | Sharpsville, IN | 12.6 mi |
| 46069 | Sheridan, IN | 12.6 mi |
Questions about 46031
What is the ZIP+4 code for 46031?
46031 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 46031, you need to look up a specific street address to get them.
What city is 46031?
46031 is assigned to Atlanta, Indiana, in Hamilton 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.