ZIP Code 68640 — Genoa, NE
68640 is a standard (street delivery) ZIP code serving Genoa, Nebraska, in Nance 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 68640 at a glance
| ZIP code | 68640 |
|---|---|
| Primary city | Genoa |
| State | Nebraska (NE) |
| County | Nance FIPS 31125 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,212 |
| Coordinates | 41.461110, -97.772370 |
How ZIP+4 works in 68640
The four digits after the hyphen encode a delivery segment inside 68640. 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 68640 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 68640.
| ZIP | City | Distance |
|---|---|---|
| 68647 | Monroe, NE | 8.8 mi |
| 68660 | Saint Edward, NE | 9.2 mi |
| 68663 | Silver Creek, NE | 11 mi |
| 68638 | Fullerton, NE | 12.9 mi |
| 68634 | Duncan, NE | 14.6 mi |
| 68653 | Platte Center, NE | 16 mi |
| 68628 | Clarks, NE | 17.2 mi |
| 68644 | Lindsay, NE | 17.7 mi |
| 68623 | Belgrade, NE | 17.8 mi |
| 68651 | Osceola, NE | 19.3 mi |
| 68601 | Columbus, NE | 19.5 mi |
| 68642 | Humphrey, NE | 20.6 mi |
Questions about 68640
What is the ZIP+4 code for 68640?
68640 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 68640, you need to look up a specific street address to get them.
What city is 68640?
68640 is assigned to Genoa, Nebraska, in Nance 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.