ZIP Code 40146 — Irvington, KY
40146 is a standard (street delivery) ZIP code serving Irvington, Kentucky, in Breckinridge 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 40146 at a glance
| ZIP code | 40146 |
|---|---|
| Primary city | Irvington |
| State | Kentucky (KY) |
| County | Breckinridge FIPS 21027 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,650 |
| Coordinates | 37.846220, -86.319540 |
How ZIP+4 works in 40146
The four digits after the hyphen encode a delivery segment inside 40146. 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 40146 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 40146.
| ZIP | City | Distance |
|---|---|---|
| 40176 | Webster, KY | 5.5 mi |
| 40142 | Guston, KY | 6.6 mi |
| 40144 | Harned, KY | 6.8 mi |
| 40140 | Garfield, KY | 8.9 mi |
| 40115 | Custer, KY | 9 mi |
| 40171 | Union Star, KY | 10.3 mi |
| 40143 | Hardinsburg, KY | 10.9 mi |
| 40117 | Ekron, KY | 11.2 mi |
| 40161 | Rhodelia, KY | 11.7 mi |
| 40108 | Brandenburg, KY | 11.9 mi |
| 40157 | Payneville, KY | 12.5 mi |
| 40170 | Stephensport, KY | 12.6 mi |
Questions about 40146
What is the ZIP+4 code for 40146?
40146 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 40146, you need to look up a specific street address to get them.
What city is 40146?
40146 is assigned to Irvington, Kentucky, in Breckinridge 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.