ZIP Code 66901 — Concordia, KS
66901 is a standard (street delivery) ZIP code serving Concordia, Kansas, in Cloud 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 66901 at a glance
| ZIP code | 66901 |
|---|---|
| Primary city | Concordia |
| State | Kansas (KS) |
| County | Cloud FIPS 20029 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 6,055 |
| Coordinates | 39.556180, -97.643170 |
How ZIP+4 works in 66901
The four digits after the hyphen encode a delivery segment inside 66901. 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 66901 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 66901.
| ZIP | City | Distance |
|---|---|---|
| 67417 | Aurora, KS | 9.8 mi |
| 66948 | Jamestown, KS | 11.4 mi |
| 66961 | Norway, KS | 11.8 mi |
| 66938 | Clyde, KS | 12.5 mi |
| 66930 | Agenda, KS | 13.6 mi |
| 67445 | Glasco, KS | 15.4 mi |
| 66966 | Scandia, KS | 16.6 mi |
| 67466 | Miltonvale, KS | 18 mi |
| 66935 | Belleville, KS | 18.7 mi |
| 67436 | Delphos, KS | 19.5 mi |
| 66940 | Cuba, KS | 19.8 mi |
| 67478 | Simpson, KS | 20.1 mi |
Questions about 66901
What is the ZIP+4 code for 66901?
66901 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 66901, you need to look up a specific street address to get them.
What city is 66901?
66901 is assigned to Concordia, Kansas, in Cloud 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.