ZIP Code 66845 — Cottonwood Falls, KS
66845 is a standard (street delivery) ZIP code serving Cottonwood Falls, Kansas, in Chase 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 66845 at a glance
| ZIP code | 66845 |
|---|---|
| Primary city | Cottonwood Falls |
| State | Kansas (KS) |
| County | Chase FIPS 20017 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,237 |
| Coordinates | 38.295460, -96.507620 |
How ZIP+4 works in 66845
The four digits after the hyphen encode a delivery segment inside 66845. 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 66845 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 66845.
| ZIP | City | Distance |
|---|---|---|
| 66862 | Matfield Green, KS | 10 mi |
| 66869 | Strong City, KS | 11.2 mi |
| 66865 | Olpe, KS | 13.4 mi |
| 66843 | Cedar Point, KS | 13.6 mi |
| 66850 | Elmdale, KS | 13.7 mi |
| 66801 | Emporia, KS | 17.4 mi |
| 66842 | Cassoday, KS | 20.5 mi |
| 66835 | Americus, KS | 21.2 mi |
| 66860 | Madison, KS | 21.9 mi |
| 66851 | Florence, KS | 22.9 mi |
| 66873 | Wilsey, KS | 23.9 mi |
| 66846 | Council Grove, KS | 24.1 mi |
Questions about 66845
What is the ZIP+4 code for 66845?
66845 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 66845, you need to look up a specific street address to get them.
What city is 66845?
66845 is assigned to Cottonwood Falls, Kansas, in Chase 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.