ZIP Code 68757 — Newcastle, NE
68757 is a standard (street delivery) ZIP code serving Newcastle, Nebraska, in Dixon 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 68757 at a glance
| ZIP code | 68757 |
|---|---|
| Primary city | Newcastle |
| State | Nebraska (NE) |
| County | Dixon FIPS 31051 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 783 |
| Coordinates | 42.652470, -96.925540 |
How ZIP+4 works in 68757
The four digits after the hyphen encode a delivery segment inside 68757. 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 68757 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 68757.
| ZIP | City | Distance |
|---|---|---|
| 68751 | Maskell, NE | 3.9 mi |
| 68770 | Ponca, NE | 10.1 mi |
| 68792 | Wynot, NE | 11.1 mi |
| 68732 | Dixon, NE | 12 mi |
| 57010 | Burbank, SD | 12.1 mi |
| 57025 | Elk Point, SD | 12.8 mi |
| 57069 | Vermillion, SD | 13.6 mi |
| 68710 | Allen, NE | 15.2 mi |
| 68745 | Laurel, NE | 16.4 mi |
| 68739 | Hartington, NE | 17.2 mi |
| 68727 | Coleridge, NE | 17.2 mi |
| 57038 | Jefferson, SD | 18.3 mi |
Questions about 68757
What is the ZIP+4 code for 68757?
68757 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 68757, you need to look up a specific street address to get them.
What city is 68757?
68757 is assigned to Newcastle, Nebraska, in Dixon 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.