ZIP Code 66441 — Junction City, KS
66441 is a standard (street delivery) ZIP code serving Junction City, Kansas, in Geary 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 66441 at a glance
| ZIP code | 66441 |
|---|---|
| Primary city | Junction City |
| State | Kansas (KS) |
| County | Geary FIPS 20061 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 25,828 |
| Coordinates | 38.981990, -96.802890 |
How ZIP+4 works in 66441
The four digits after the hyphen encode a delivery segment inside 66441. 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 66441 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 66441.
| ZIP | City | Distance |
|---|---|---|
| 66442 | Fort Riley, KS | 7.7 mi |
| 66517 | Ogden, KS | 10.4 mi |
| 66514 | Milford, KS | 10.7 mi |
| 67431 | Chapman, KS | 11.3 mi |
| 66872 | White City, KS | 12.8 mi |
| 66849 | Dwight, KS | 13.3 mi |
| 67492 | Woodbine, KS | 14.4 mi |
| 67441 | Enterprise, KS | 17.7 mi |
| 66502 | Manhattan, KS | 18.4 mi |
| 66506 | Manhattan, KS | 18.9 mi |
| 67487 | Wakefield, KS | 19.5 mi |
| 66503 | Manhattan, KS | 20.4 mi |
Questions about 66441
What is the ZIP+4 code for 66441?
66441 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 66441, you need to look up a specific street address to get them.
What city is 66441?
66441 is assigned to Junction City, Kansas, in Geary 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.