ZIP Code 68730 — Crofton, NE
68730 is a standard (street delivery) ZIP code serving Crofton, Nebraska, in Knox 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 68730 at a glance
| ZIP code | 68730 |
|---|---|
| Primary city | Crofton |
| State | Nebraska (NE) |
| County | Knox FIPS 31107 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,156 |
| Coordinates | 42.766880, -97.534880 |
How ZIP+4 works in 68730
The four digits after the hyphen encode a delivery segment inside 68730. 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 68730 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 68730.
| ZIP | City | Distance |
|---|---|---|
| 68736 | Fordyce, NE | 8.4 mi |
| 68718 | Bloomfield, NE | 11 mi |
| 57078 | Yankton, SD | 11.3 mi |
| 57063 | Tabor, SD | 13.3 mi |
| 68774 | Saint Helena, NE | 13.4 mi |
| 68739 | Hartington, NE | 16.8 mi |
| 57046 | Mission Hill, SD | 17.6 mi |
| 68786 | Wausa, NE | 18.2 mi |
| 57031 | Gayville, SD | 19 mi |
| 57067 | Utica, SD | 19.2 mi |
| 68724 | Center, NE | 20.2 mi |
| 57040 | Lesterville, SD | 20.5 mi |
Questions about 68730
What is the ZIP+4 code for 68730?
68730 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 68730, you need to look up a specific street address to get them.
What city is 68730?
68730 is assigned to Crofton, Nebraska, in Knox 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.