ZIP Code 67356 — Oswego, KS
67356 is a standard (street delivery) ZIP code serving Oswego, Kansas, in Labette 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 67356 at a glance
| ZIP code | 67356 |
|---|---|
| Primary city | Oswego |
| State | Kansas (KS) |
| County | Labette FIPS 20099 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,728 |
| Coordinates | 37.178860, -95.141610 |
How ZIP+4 works in 67356
The four digits after the hyphen encode a delivery segment inside 67356. 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 67356 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 67356.
| ZIP | City | Distance |
|---|---|---|
| 67336 | Chetopa, KS | 9.4 mi |
| 67330 | Altamont, KS | 9.5 mi |
| 67332 | Bartlett, KS | 10.6 mi |
| 67357 | Parsons, KS | 12.7 mi |
| 66782 | West Mineral, KS | 13.9 mi |
| 66725 | Columbus, KS | 14 mi |
| 67342 | Edna, KS | 14.4 mi |
| 66753 | Mccune, KS | 14.6 mi |
| 67354 | Mound Valley, KS | 15 mi |
| 74369 | Welch, OK | 18 mi |
| 66773 | Scammon, KS | 19.1 mi |
| 66724 | Cherokee, KS | 19.3 mi |
Questions about 67356
What is the ZIP+4 code for 67356?
67356 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 67356, you need to look up a specific street address to get them.
What city is 67356?
67356 is assigned to Oswego, Kansas, in Labette 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.