ZIP Code 68331 — Cortland, NE
68331 is a standard (street delivery) ZIP code serving Cortland, Nebraska, in Gage 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 68331 at a glance
| ZIP code | 68331 |
|---|---|
| Primary city | Cortland |
| State | Nebraska (NE) |
| County | Gage FIPS 31067 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,002 |
| Coordinates | 40.471200, -96.708630 |
How ZIP+4 works in 68331
The four digits after the hyphen encode a delivery segment inside 68331. 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 68331 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 68331.
| ZIP | City | Distance |
|---|---|---|
| 68422 | Pickrell, NE | 5.7 mi |
| 68358 | Firth, NE | 6.7 mi |
| 68328 | Clatonia, NE | 6.8 mi |
| 68368 | Hallam, NE | 8.1 mi |
| 68301 | Adams, NE | 9.8 mi |
| 68404 | Martell, NE | 10.5 mi |
| 68372 | Hickman, NE | 10.7 mi |
| 68438 | Sprague, NE | 10.9 mi |
| 68341 | De Witt, NE | 12.3 mi |
| 68357 | Filley, NE | 13.7 mi |
| 68430 | Roca, NE | 13.7 mi |
| 68419 | Panama, NE | 13.8 mi |
Questions about 68331
What is the ZIP+4 code for 68331?
68331 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 68331, you need to look up a specific street address to get them.
What city is 68331?
68331 is assigned to Cortland, Nebraska, in Gage 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.