ZIP Code 46131 — Franklin, IN
46131 is a standard (street delivery) ZIP code serving Franklin, Indiana, in Johnson 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 46131 at a glance
| ZIP code | 46131 |
|---|---|
| Primary city | Franklin |
| State | Indiana (IN) |
| County | Johnson FIPS 18081 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 34,647 |
| Coordinates | 39.471960, -86.042330 |
How ZIP+4 works in 46131
The four digits after the hyphen encode a delivery segment inside 46131. 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 46131 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 46131.
| ZIP | City | Distance |
|---|---|---|
| 46184 | Whiteland, IN | 6.3 mi |
| 46162 | Needham, IN | 7.2 mi |
| 46124 | Edinburgh, IN | 8.8 mi |
| 46181 | Trafalgar, IN | 8.9 mi |
| 46110 | Boggstown, IN | 9.2 mi |
| 46106 | Bargersville, IN | 9.2 mi |
| 46143 | Greenwood, IN | 9.3 mi |
| 46164 | Nineveh, IN | 12.4 mi |
| 46142 | Greenwood, IN | 12.5 mi |
| 46259 | Indianapolis, IN | 12.7 mi |
| 47280 | Taylorsville, IN | 13.1 mi |
| 46126 | Fairland, IN | 13.2 mi |
Questions about 46131
What is the ZIP+4 code for 46131?
46131 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 46131, you need to look up a specific street address to get them.
What city is 46131?
46131 is assigned to Franklin, Indiana, in Johnson 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.