ZIP Code 68421 — Peru, NE
68421 is a standard (street delivery) ZIP code serving Peru, Nebraska, in Nemaha 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 68421 at a glance
| ZIP code | 68421 |
|---|---|
| Primary city | Peru |
| State | Nebraska (NE) |
| County | Nemaha FIPS 31127 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 987 |
| Coordinates | 40.492000, -95.744260 |
How ZIP+4 works in 68421
The four digits after the hyphen encode a delivery segment inside 68421. 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 68421 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 68421.
| ZIP | City | Distance |
|---|---|---|
| 64496 | Watson, MO | 6.3 mi |
| 68379 | Julian, NE | 7.1 mi |
| 68321 | Brownville, NE | 7.2 mi |
| 51640 | Hamburg, IA | 10 mi |
| 68305 | Auburn, NE | 10.7 mi |
| 64482 | Rock Port, MO | 10.9 mi |
| 68320 | Brock, NE | 11 mi |
| 68414 | Nemaha, NE | 12.1 mi |
| 68410 | Nebraska City, NE | 12.5 mi |
| 68448 | Talmage, NE | 15.7 mi |
| 51650 | Riverton, IA | 16.1 mi |
| 68378 | Johnson, NE | 16.3 mi |
Questions about 68421
What is the ZIP+4 code for 68421?
68421 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 68421, you need to look up a specific street address to get them.
What city is 68421?
68421 is assigned to Peru, Nebraska, in Nemaha 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.