ZIP Code 42211 — Cadiz, KY
42211 is a standard (street delivery) ZIP code serving Cadiz, Kentucky, in Trigg 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 42211 at a glance
| ZIP code | 42211 |
|---|---|
| Primary city | Cadiz |
| State | Kentucky (KY) |
| County | Trigg FIPS 21221 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 13,475 |
| Coordinates | 36.820160, -87.837090 |
How ZIP+4 works in 42211
The four digits after the hyphen encode a delivery segment inside 42211. 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 42211 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 42211.
| ZIP | City | Distance |
|---|---|---|
| 42232 | Gracey, KY | 10.2 mi |
| 37028 | Bumpus Mills, TN | 13.3 mi |
| 42236 | Herndon, KY | 14.2 mi |
| 42215 | Cerulean, KY | 15.1 mi |
| 42254 | La Fayette, KY | 15.4 mi |
| 37023 | Big Rock, TN | 16.6 mi |
| 42038 | Eddyville, KY | 18.4 mi |
| 42445 | Princeton, KY | 21.3 mi |
| 42240 | Hopkinsville, KY | 21.3 mi |
| 42048 | Hardin, KY | 22.3 mi |
| 42036 | Dexter, KY | 22.8 mi |
| 42076 | New Concord, KY | 23 mi |
Questions about 42211
What is the ZIP+4 code for 42211?
42211 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 42211, you need to look up a specific street address to get them.
What city is 42211?
42211 is assigned to Cadiz, Kentucky, in Trigg 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.