ZIP Code 45891 — Van Wert, OH
45891 is a standard (street delivery) ZIP code serving Van Wert, Ohio, in Van Wert 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 45891 at a glance
| ZIP code | 45891 |
|---|---|
| Primary city | Van Wert |
| State | Ohio (OH) |
| County | Van Wert FIPS 39161 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 15,584 |
| Coordinates | 40.874800, -84.577850 |
How ZIP+4 works in 45891
The four digits after the hyphen encode a delivery segment inside 45891. 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 45891 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 45891.
| ZIP | City | Distance |
|---|---|---|
| 45863 | Middle Point, OH | 6.7 mi |
| 45874 | Ohio City, OH | 8 mi |
| 45886 | Scott, OH | 8.2 mi |
| 45832 | Convoy, OH | 8.9 mi |
| 45894 | Venedocia, OH | 9.6 mi |
| 45838 | Elgin, OH | 10.6 mi |
| 45851 | Haviland, OH | 11 mi |
| 45899 | Wren, OH | 11.5 mi |
| 45849 | Grover Hill, OH | 11.5 mi |
| 45833 | Delphos, OH | 12.1 mi |
| 45876 | Ottoville, OH | 13.1 mi |
| 45898 | Willshire, OH | 13.6 mi |
Questions about 45891
What is the ZIP+4 code for 45891?
45891 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 45891, you need to look up a specific street address to get them.
What city is 45891?
45891 is assigned to Van Wert, Ohio, in Van Wert 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.