ZIP Code 40505 — Lexington, KY
40505 is a standard (street delivery) ZIP code serving Lexington, Kentucky, in Fayette 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 40505 at a glance
| ZIP code | 40505 |
|---|---|
| Primary city | Lexington |
| State | Kentucky (KY) |
| County | Fayette FIPS 21067 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 25,594 |
| Coordinates | 38.060390, -84.456790 |
How ZIP+4 works in 40505
The four digits after the hyphen encode a delivery segment inside 40505. 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 40505 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.
Other ZIP codes in Lexington
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 40505.
| ZIP | City | Distance |
|---|---|---|
| 40507 | Lexington, KY | 2.3 mi |
| 40508 | Lexington, KY | 2.5 mi |
| 40526 | Lexington, KY | 3.2 mi |
| 40536 | Lexington, KY | 3.5 mi |
| 40502 | Lexington, KY | 3.5 mi |
| 40504 | Lexington, KY | 4.8 mi |
| 40516 | Lexington, KY | 5 mi |
| 40511 | Lexington, KY | 5.1 mi |
| 40517 | Lexington, KY | 5.6 mi |
| 40503 | Lexington, KY | 5.7 mi |
| 40509 | Lexington, KY | 6.7 mi |
| 40510 | Lexington, KY | 7.9 mi |
Questions about 40505
What is the ZIP+4 code for 40505?
40505 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 40505, you need to look up a specific street address to get them.
What city is 40505?
40505 is assigned to Lexington, Kentucky, in Fayette 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.