ZIP Code 46156 — Milroy, IN
46156 is a standard (street delivery) ZIP code serving Milroy, Indiana, in Rush 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 46156 at a glance
| ZIP code | 46156 |
|---|---|
| Primary city | Milroy |
| State | Indiana (IN) |
| County | Rush FIPS 18139 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 952 |
| Coordinates | 39.484510, -85.480600 |
How ZIP+4 works in 46156
The four digits after the hyphen encode a delivery segment inside 46156. 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 46156 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 46156.
| ZIP | City | Distance |
|---|---|---|
| 46150 | Manilla, IN | 7.8 mi |
| 47225 | Clarksburg, IN | 8 mi |
| 46146 | Homer, IN | 8.1 mi |
| 46173 | Rushville, IN | 8.7 mi |
| 47272 | Saint Paul, IN | 8.8 mi |
| 46182 | Waldron, IN | 10.2 mi |
| 47240 | Greensburg, IN | 11.1 mi |
| 46133 | Glenwood, IN | 12 mi |
| 46104 | Arlington, IN | 13.6 mi |
| 47036 | Oldenburg, IN | 14.5 mi |
| 47263 | New Point, IN | 14.6 mi |
| 47024 | Laurel, IN | 15.1 mi |
Questions about 46156
What is the ZIP+4 code for 46156?
46156 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 46156, you need to look up a specific street address to get them.
What city is 46156?
46156 is assigned to Milroy, Indiana, in Rush 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.