ZIP Code 40355 — New Liberty, KY
40355 is a standard (street delivery) ZIP code serving New Liberty, Kentucky, in Owen 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 40355 at a glance
| ZIP code | 40355 |
|---|---|
| Primary city | New Liberty |
| State | Kentucky (KY) |
| County | Owen FIPS 21187 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 514 |
| Coordinates | 38.610230, -84.865350 |
How ZIP+4 works in 40355
The four digits after the hyphen encode a delivery segment inside 40355. 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 40355 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 40355.
| ZIP | City | Distance |
|---|---|---|
| 41086 | Sparta, KY | 5.7 mi |
| 41052 | Jonesville, KY | 5.8 mi |
| 41098 | Worthville, KY | 7.1 mi |
| 41046 | Glencoe, KY | 7.6 mi |
| 41083 | Sanders, KY | 8 mi |
| 40359 | Owenton, KY | 9.2 mi |
| 40363 | Perry Park, KY | 10.2 mi |
| 41045 | Ghent, KY | 11.4 mi |
| 41035 | Dry Ridge, KY | 12.7 mi |
| 41095 | Warsaw, KY | 12.7 mi |
| 40036 | Lockport, KY | 12.9 mi |
| 40007 | Bethlehem, KY | 13.1 mi |
Questions about 40355
What is the ZIP+4 code for 40355?
40355 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 40355, you need to look up a specific street address to get them.
What city is 40355?
40355 is assigned to New Liberty, Kentucky, in Owen 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.