ZIP Code 67623 — Alton, KS
67623 is a standard (street delivery) ZIP code serving Alton, Kansas, in Osborne 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 67623 at a glance
| ZIP code | 67623 |
|---|---|
| Primary city | Alton |
| State | Kansas (KS) |
| County | Osborne FIPS 20141 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 228 |
| Coordinates | 39.453630, -98.956270 |
How ZIP+4 works in 67623
The four digits after the hyphen encode a delivery segment inside 67623. 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 67623 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 67623.
| ZIP | City | Distance |
|---|---|---|
| 67675 | Woodston, KS | 7.9 mi |
| 67628 | Cedar, KS | 12.2 mi |
| 67473 | Osborne, KS | 13 mi |
| 67638 | Gaylord, KS | 13.6 mi |
| 67474 | Portis, KS | 16.1 mi |
| 67644 | Kirwin, KS | 16.4 mi |
| 67651 | Natoma, KS | 17.4 mi |
| 67669 | Stockton, KS | 20.9 mi |
| 67437 | Downs, KS | 21.5 mi |
| 66932 | Athol, KS | 22.5 mi |
| 67673 | Waldo, KS | 22.6 mi |
| 67639 | Glade, KS | 22.8 mi |
Questions about 67623
What is the ZIP+4 code for 67623?
67623 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 67623, you need to look up a specific street address to get them.
What city is 67623?
67623 is assigned to Alton, Kansas, in Osborne 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.