ZIP Code 45865 — Minster, OH
45865 is a standard (street delivery) ZIP code serving Minster, Ohio, in Auglaize 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 45865 at a glance
| ZIP code | 45865 |
|---|---|
| Primary city | Minster |
| State | Ohio (OH) |
| County | Auglaize FIPS 39011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 5,522 |
| Coordinates | 40.393790, -84.372190 |
How ZIP+4 works in 45865
The four digits after the hyphen encode a delivery segment inside 45865. 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 45865 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 45865.
| ZIP | City | Distance |
|---|---|---|
| 45845 | Fort Loramie, OH | 4.4 mi |
| 45869 | New Bremen, OH | 4.5 mi |
| 45336 | Kettlersville, OH | 6.8 mi |
| 45826 | Chickasaw, OH | 7 mi |
| 45388 | Yorkshire, OH | 7.2 mi |
| 45351 | Osgood, OH | 7.5 mi |
| 45860 | Maria Stein, OH | 7.5 mi |
| 45871 | New Knoxville, OH | 7.8 mi |
| 45302 | Anna, OH | 8.7 mi |
| 45333 | Houston, OH | 10.3 mi |
| 45306 | Botkins, OH | 10.8 mi |
| 45363 | Russia, OH | 10.8 mi |
Questions about 45865
What is the ZIP+4 code for 45865?
45865 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 45865, you need to look up a specific street address to get them.
What city is 45865?
45865 is assigned to Minster, Ohio, in Auglaize 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.