ZIP Code 66942 — Formoso, KS
66942 is a standard (street delivery) ZIP code serving Formoso, Kansas, in Jewell 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 66942 at a glance
| ZIP code | 66942 |
|---|---|
| Primary city | Formoso |
| State | Kansas (KS) |
| County | Jewell FIPS 20089 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 305 |
| Coordinates | 39.792780, -98.004480 |
How ZIP+4 works in 66942
The four digits after the hyphen encode a delivery segment inside 66942. 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 66942 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 66942.
| ZIP | City | Distance |
|---|---|---|
| 66939 | Courtland, KS | 7 mi |
| 66963 | Randall, KS | 10.5 mi |
| 66970 | Webber, KS | 10.6 mi |
| 66956 | Mankato, KS | 11.2 mi |
| 66966 | Scandia, KS | 12.9 mi |
| 66961 | Norway, KS | 13.9 mi |
| 66949 | Jewell, KS | 14.4 mi |
| 66964 | Republic, KS | 14.6 mi |
| 66948 | Jamestown, KS | 15.7 mi |
| 66936 | Burr Oak, KS | 18 mi |
| 68943 | Hardy, NE | 18.1 mi |
| 68978 | Superior, NE | 19.3 mi |
Questions about 66942
What is the ZIP+4 code for 66942?
66942 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 66942, you need to look up a specific street address to get them.
What city is 66942?
66942 is assigned to Formoso, Kansas, in Jewell 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.