ZIP Code 66857 — Le Roy, KS
66857 is a standard (street delivery) ZIP code serving Le Roy, Kansas, in Coffey 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 66857 at a glance
| ZIP code | 66857 |
|---|---|
| Primary city | Le Roy |
| State | Kansas (KS) |
| County | Coffey FIPS 20031 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 872 |
| Coordinates | 38.102020, -95.635260 |
How ZIP+4 works in 66857
The four digits after the hyphen encode a delivery segment inside 66857. 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 66857 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 66857.
| ZIP | City | Distance |
|---|---|---|
| 66758 | Neosho Falls, KS | 6.1 mi |
| 66839 | Burlington, KS | 10.2 mi |
| 66093 | Westphalia, KS | 10.6 mi |
| 66015 | Colony, KS | 12.8 mi |
| 66761 | Piqua, KS | 13.4 mi |
| 66852 | Gridley, KS | 14.5 mi |
| 66783 | Yates Center, KS | 16.4 mi |
| 66749 | Iola, KS | 16.7 mi |
| 66091 | Welda, KS | 17.4 mi |
| 66871 | Waverly, KS | 17.8 mi |
| 66742 | Gas, KS | 20 mi |
| 66854 | Hartford, KS | 22 mi |
Questions about 66857
What is the ZIP+4 code for 66857?
66857 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 66857, you need to look up a specific street address to get them.
What city is 66857?
66857 is assigned to Le Roy, Kansas, in Coffey 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.