ZIP Code 67057 — Hardtner, KS
67057 is a standard (street delivery) ZIP code serving Hardtner, Kansas, in Barber 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 67057 at a glance
| ZIP code | 67057 |
|---|---|
| Primary city | Hardtner |
| State | Kansas (KS) |
| County | Barber FIPS 20007 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 252 |
| Coordinates | 37.059540, -98.778640 |
How ZIP+4 works in 67057
The four digits after the hyphen encode a delivery segment inside 67057. 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 67057 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 67057.
| ZIP | City | Distance |
|---|---|---|
| 67071 | Lake City, KS | 12.2 mi |
| 67070 | Kiowa, KS | 13.6 mi |
| 73717 | Alva, OK | 15 mi |
| 67104 | Medicine Lodge, KS | 16.3 mi |
| 67143 | Sun City, KS | 20.9 mi |
| 67061 | Hazelton, KS | 22.2 mi |
| 67138 | Sharon, KS | 24.2 mi |
| 67155 | Wilmore, KS | 24.8 mi |
| 73722 | Burlington, OK | 25.3 mi |
| 73746 | Hopeton, OK | 26.4 mi |
| 67029 | Coldwater, KS | 28.6 mi |
| 73719 | Amorita, OK | 29 mi |
Questions about 67057
What is the ZIP+4 code for 67057?
67057 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 67057, you need to look up a specific street address to get them.
What city is 67057?
67057 is assigned to Hardtner, Kansas, in Barber 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.