ZIP Code 40371 — Salt Lick, KY
40371 is a standard (street delivery) ZIP code serving Salt Lick, 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 40371 at a glance
| ZIP code | 40371 |
|---|---|
| Primary city | Salt Lick |
| State | Kentucky (KY) |
| County | Bath FIPS 21011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 2,525 |
| Coordinates | 38.077160, -83.595610 |
How ZIP+4 works in 40371
The four digits after the hyphen encode a delivery segment inside 40371. 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 40371 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 40371.
| ZIP | City | Distance |
|---|---|---|
| 40358 | Olympia, KY | 4.9 mi |
| 40334 | Hope, KY | 9.2 mi |
| 40322 | Frenchburg, KY | 10.1 mi |
| 40346 | Means, KY | 10.3 mi |
| 40316 | Denniston, KY | 10.5 mi |
| 40360 | Owingsville, KY | 10.8 mi |
| 40387 | Wellington, KY | 11.4 mi |
| 40313 | Clearfield, KY | 11.8 mi |
| 40351 | Morehead, KY | 13 mi |
| 41049 | Hillsboro, KY | 13.9 mi |
| 41425 | Ezel, KY | 16.1 mi |
| 40337 | Jeffersonville, KY | 16.6 mi |
Questions about 40371
What is the ZIP+4 code for 40371?
40371 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 40371, you need to look up a specific street address to get them.
What city is 40371?
40371 is assigned to Salt Lick, 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.