ZIP Code 68855 — Mason City, NE
68855 is a standard (street delivery) ZIP code serving Mason City, Nebraska, in Custer 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 68855 at a glance
| ZIP code | 68855 |
|---|---|
| Primary city | Mason City |
| State | Nebraska (NE) |
| County | Custer FIPS 31041 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 400 |
| Coordinates | 41.162480, -99.326350 |
How ZIP+4 works in 68855
The four digits after the hyphen encode a delivery segment inside 68855. 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 68855 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 68855.
| ZIP | City | Distance |
|---|---|---|
| 68852 | Litchfield, NE | 9.4 mi |
| 68814 | Ansley, NE | 11 mi |
| 68858 | Miller, NE | 14.1 mi |
| 68878 | Sumner, NE | 15.3 mi |
| 68844 | Hazard, NE | 15.7 mi |
| 68866 | Pleasanton, NE | 17 mi |
| 68812 | Amherst, NE | 17.9 mi |
| 68881 | Westerville, NE | 18.9 mi |
| 68834 | Eddyville, NE | 19.6 mi |
| 68853 | Loup City, NE | 19.7 mi |
| 68815 | Arcadia, NE | 20.3 mi |
| 68822 | Broken Bow, NE | 22.1 mi |
Questions about 68855
What is the ZIP+4 code for 68855?
68855 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 68855, you need to look up a specific street address to get them.
What city is 68855?
68855 is assigned to Mason City, Nebraska, in Custer 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.