ZIP Code 66840 — Burns, KS
66840 is a standard (street delivery) ZIP code serving Burns, Kansas, in Butler 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 66840 at a glance
| ZIP code | 66840 |
|---|---|
| Primary city | Burns |
| State | Kansas (KS) |
| County | Butler FIPS 20015 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 474 |
| Coordinates | 38.072830, -96.871900 |
How ZIP+4 works in 66840
The four digits after the hyphen encode a delivery segment inside 66840. 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 66840 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 66840.
| ZIP | City | Distance |
|---|---|---|
| 66851 | Florence, KS | 10.8 mi |
| 67123 | Potwin, KS | 10.9 mi |
| 66842 | Cassoday, KS | 12.1 mi |
| 66843 | Cedar Point, KS | 12.8 mi |
| 67041 | Elbing, KS | 13.9 mi |
| 66866 | Peabody, KS | 14.4 mi |
| 67154 | Whitewater, KS | 15.3 mi |
| 67042 | El Dorado, KS | 16 mi |
| 66862 | Matfield Green, KS | 18.2 mi |
| 67144 | Towanda, KS | 19.1 mi |
| 67151 | Walton, KS | 21.1 mi |
| 67017 | Benton, KS | 21.3 mi |
Questions about 66840
What is the ZIP+4 code for 66840?
66840 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 66840, you need to look up a specific street address to get them.
What city is 66840?
66840 is assigned to Burns, Kansas, in Butler 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.