ZIP Code 66951 — Kensington, KS
66951 is a standard (street delivery) ZIP code serving Kensington, Kansas, in Smith 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 66951 at a glance
| ZIP code | 66951 |
|---|---|
| Primary city | Kensington |
| State | Kansas (KS) |
| County | Smith FIPS 20183 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 920 |
| Coordinates | 39.862390, -99.030720 |
How ZIP+4 works in 66951
The four digits after the hyphen encode a delivery segment inside 66951. 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 66951 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 66951.
| ZIP | City | Distance |
|---|---|---|
| 67621 | Agra, KS | 5.7 mi |
| 66932 | Athol, KS | 7.8 mi |
| 66967 | Smith Center, KS | 12.8 mi |
| 67661 | Phillipsburg, KS | 16.1 mi |
| 67628 | Cedar, KS | 16.3 mi |
| 68960 | Naponee, NE | 16.4 mi |
| 67644 | Kirwin, KS | 17.4 mi |
| 68939 | Franklin, NE | 17.5 mi |
| 67638 | Gaylord, KS | 18.3 mi |
| 68929 | Bloomington, NE | 20.1 mi |
| 68972 | Riverton, NE | 20.6 mi |
| 68971 | Republican City, NE | 21 mi |
Questions about 66951
What is the ZIP+4 code for 66951?
66951 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 66951, you need to look up a specific street address to get them.
What city is 66951?
66951 is assigned to Kensington, Kansas, in Smith 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.