ZIP Code 50116 — Hamilton, IA
50116 is a standard (street delivery) ZIP code serving Hamilton, Iowa, in Marion 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 50116 at a glance
| ZIP code | 50116 |
|---|---|
| Primary city | Hamilton |
| State | Iowa (IA) |
| County | Marion FIPS 19125 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 261 |
| Coordinates | 41.178120, -92.982470 |
How ZIP+4 works in 50116
The four digits after the hyphen encode a delivery segment inside 50116. 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 50116 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 50116.
| ZIP | City | Distance |
|---|---|---|
| 50150 | Lovilia, IA | 3.5 mi |
| 50044 | Bussey, IA | 5.1 mi |
| 50256 | Tracy, IA | 7.1 mi |
| 50057 | Columbia, IA | 8.5 mi |
| 50119 | Harvey, IA | 9.4 mi |
| 50138 | Knoxville, IA | 10.7 mi |
| 52531 | Albia, IA | 13.6 mi |
| 50163 | Melcher Dallas, IA | 13.8 mi |
| 52569 | Melrose, IA | 14.1 mi |
| 50062 | Melcher Dallas, IA | 14.2 mi |
| 50143 | Leighton, IA | 14.8 mi |
| 50272 | Williamson, IA | 15.5 mi |
Questions about 50116
What is the ZIP+4 code for 50116?
50116 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 50116, you need to look up a specific street address to get them.
What city is 50116?
50116 is assigned to Hamilton, Iowa, in Marion 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.