ZIP Code 40358 — Olympia, KY
40358 is a standard (street delivery) ZIP code serving Olympia, Kentucky, in Bath 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 40358 at a glance
| ZIP code | 40358 |
|---|---|
| Primary city | Olympia |
| State | Kentucky (KY) |
| County | Bath FIPS 21011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 1,012 |
| Coordinates | 38.057690, -83.683100 |
How ZIP+4 works in 40358
The four digits after the hyphen encode a delivery segment inside 40358. 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 40358 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 40358.
| ZIP | City | Distance |
|---|---|---|
| 40334 | Hope, KY | 4.5 mi |
| 40371 | Salt Lick, KY | 4.9 mi |
| 40346 | Means, KY | 6.1 mi |
| 40360 | Owingsville, KY | 8.2 mi |
| 40322 | Frenchburg, KY | 9 mi |
| 40337 | Jeffersonville, KY | 11.9 mi |
| 40316 | Denniston, KY | 11.9 mi |
| 40387 | Wellington, KY | 13.5 mi |
| 40353 | Mount Sterling, KY | 14.4 mi |
| 41049 | Hillsboro, KY | 15.1 mi |
| 40374 | Sharpsburg, KY | 16.1 mi |
| 40313 | Clearfield, KY | 16.7 mi |
Questions about 40358
What is the ZIP+4 code for 40358?
40358 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 40358, you need to look up a specific street address to get them.
What city is 40358?
40358 is assigned to Olympia, Kentucky, in Bath 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.