ZIP Code 68028 — Gretna, NE
68028 is a standard (street delivery) ZIP code serving Gretna, Nebraska, in Sarpy 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 68028 at a glance
| ZIP code | 68028 |
|---|---|
| Primary city | Gretna |
| State | Nebraska (NE) |
| County | Sarpy FIPS 31153 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 17,529 |
| Coordinates | 41.105130, -96.260980 |
How ZIP+4 works in 68028
The four digits after the hyphen encode a delivery segment inside 68028. 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 68028 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 68028.
| ZIP | City | Distance |
|---|---|---|
| 68136 | Omaha, NE | 5.8 mi |
| 68059 | Springfield, NE | 5.9 mi |
| 68003 | Ashland, NE | 6.6 mi |
| 68058 | South Bend, NE | 6.7 mi |
| 68138 | Omaha, NE | 7.3 mi |
| 68135 | Omaha, NE | 7.7 mi |
| 68042 | Memphis, NE | 9.2 mi |
| 68130 | Omaha, NE | 9.5 mi |
| 68069 | Waterloo, NE | 9.8 mi |
| 68016 | Cedar Creek, NE | 9.8 mi |
| 68137 | Omaha, NE | 10.1 mi |
| 68046 | Papillion, NE | 10.4 mi |
Questions about 68028
What is the ZIP+4 code for 68028?
68028 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 68028, you need to look up a specific street address to get them.
What city is 68028?
68028 is assigned to Gretna, Nebraska, in Sarpy 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.