ZIP Code 68037 — Louisville, NE
68037 is a standard (street delivery) ZIP code serving Louisville, Nebraska, in Cass 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 68037 at a glance
| ZIP code | 68037 |
|---|---|
| Primary city | Louisville |
| State | Nebraska (NE) |
| County | Cass FIPS 31025 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,524 |
| Coordinates | 40.984400, -96.126730 |
How ZIP+4 works in 68037
The four digits after the hyphen encode a delivery segment inside 68037. 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 68037 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 68037.
| ZIP | City | Distance |
|---|---|---|
| 68016 | Cedar Creek, NE | 3 mi |
| 68403 | Manley, NE | 4.9 mi |
| 68059 | Springfield, NE | 5.9 mi |
| 68058 | South Bend, NE | 6.5 mi |
| 68463 | Weeping Water, NE | 7.5 mi |
| 68407 | Murdock, NE | 8.3 mi |
| 68048 | Plattsmouth, NE | 10 mi |
| 68046 | Papillion, NE | 10.1 mi |
| 68409 | Murray, NE | 10.5 mi |
| 68028 | Gretna, NE | 10.9 mi |
| 68133 | Papillion, NE | 11.2 mi |
| 68413 | Nehawka, NE | 11.8 mi |
Questions about 68037
What is the ZIP+4 code for 68037?
68037 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 68037, you need to look up a specific street address to get them.
What city is 68037?
68037 is assigned to Louisville, Nebraska, in Cass 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.