ZIP Code 46077 — Zionsville, IN
46077 is a standard (street delivery) ZIP code serving Zionsville, Indiana, in Boone 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 46077 at a glance
| ZIP code | 46077 |
|---|---|
| Primary city | Zionsville |
| State | Indiana (IN) |
| County | Boone FIPS 18011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 36,760 |
| Coordinates | 39.982810, -86.283460 |
How ZIP+4 works in 46077
The four digits after the hyphen encode a delivery segment inside 46077. 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 46077 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 46077.
| ZIP | City | Distance |
|---|---|---|
| 46075 | Whitestown, IN | 4 mi |
| 46032 | Carmel, IN | 6.1 mi |
| 46278 | Indianapolis, IN | 6.2 mi |
| 46268 | Indianapolis, IN | 6.5 mi |
| 46074 | Westfield, IN | 6.9 mi |
| 46290 | Indianapolis, IN | 7.2 mi |
| 46260 | Indianapolis, IN | 8.1 mi |
| 46280 | Indianapolis, IN | 9.3 mi |
| 46254 | Indianapolis, IN | 9.3 mi |
| 46112 | Brownsburg, IN | 9.6 mi |
| 46240 | Indianapolis, IN | 9.9 mi |
| 46228 | Indianapolis, IN | 10.2 mi |
Questions about 46077
What is the ZIP+4 code for 46077?
46077 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 46077, you need to look up a specific street address to get them.
What city is 46077?
46077 is assigned to Zionsville, Indiana, in Boone 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.