ZIP Code 67131 — Rock, KS
67131 is a standard (street delivery) ZIP code serving Rock, Kansas, in Cowley 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 67131 at a glance
| ZIP code | 67131 |
|---|---|
| Primary city | Rock |
| State | Kansas (KS) |
| County | Cowley FIPS 20035 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 274 |
| Coordinates | 37.432610, -96.949580 |
How ZIP+4 works in 67131
The four digits after the hyphen encode a delivery segment inside 67131. 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 67131 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 67131.
| ZIP | City | Distance |
|---|---|---|
| 67039 | Douglass, KS | 6.3 mi |
| 67146 | Udall, KS | 9 mi |
| 67008 | Atlanta, KS | 10.3 mi |
| 67019 | Burden, KS | 12.4 mi |
| 67156 | Winfield, KS | 12.6 mi |
| 67133 | Rose Hill, KS | 13.1 mi |
| 67110 | Mulvane, KS | 15.3 mi |
| 67010 | Augusta, KS | 15.8 mi |
| 67037 | Derby, KS | 17.5 mi |
| 67013 | Belle Plaine, KS | 18.1 mi |
| 67119 | Oxford, KS | 18.3 mi |
| 67232 | Wichita, KS | 18.5 mi |
Questions about 67131
What is the ZIP+4 code for 67131?
67131 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 67131, you need to look up a specific street address to get them.
What city is 67131?
67131 is assigned to Rock, Kansas, in Cowley 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.