ZIP Code 42240 — Hopkinsville, KY
42240 is a standard (street delivery) ZIP code serving Hopkinsville, Kentucky, in Christian 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 42240 at a glance
| ZIP code | 42240 |
|---|---|
| Primary city | Hopkinsville |
| State | Kentucky (KY) |
| County | Christian FIPS 21047 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 41,415 |
| Coordinates | 36.883880, -87.460240 |
How ZIP+4 works in 42240
The four digits after the hyphen encode a delivery segment inside 42240. 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 42240 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 42240.
| ZIP | City | Distance |
|---|---|---|
| 42266 | Pembroke, KY | 9.9 mi |
| 42232 | Gracey, KY | 11.2 mi |
| 42217 | Crofton, KY | 11.4 mi |
| 42262 | Oak Grove, KY | 13.8 mi |
| 42215 | Cerulean, KY | 13.8 mi |
| 42236 | Herndon, KY | 14.1 mi |
| 42286 | Trenton, KY | 15.1 mi |
| 42220 | Elkton, KY | 15.3 mi |
| 42223 | Fort Campbell, KY | 17 mi |
| 42254 | La Fayette, KY | 18.1 mi |
| 42453 | Saint Charles, KY | 19.5 mi |
| 42234 | Guthrie, KY | 19.9 mi |
Questions about 42240
What is the ZIP+4 code for 42240?
42240 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 42240, you need to look up a specific street address to get them.
What city is 42240?
42240 is assigned to Hopkinsville, Kentucky, in Christian 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.