ZIP Code 45103 — Batavia, OH
45103 is a standard (street delivery) ZIP code serving Batavia, Ohio, in Clermont 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 45103 at a glance
| ZIP code | 45103 |
|---|---|
| Primary city | Batavia |
| State | Ohio (OH) |
| County | Clermont FIPS 39025 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 36,938 |
| Coordinates | 39.094600, -84.140060 |
How ZIP+4 works in 45103
The four digits after the hyphen encode a delivery segment inside 45103. 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 45103 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 45103.
| ZIP | City | Distance |
|---|---|---|
| 45160 | Owensville, OH | 2 mi |
| 45176 | Williamsburg, OH | 6.4 mi |
| 45102 | Amelia, OH | 6.4 mi |
| 45158 | Newtonsville, OH | 6.9 mi |
| 45150 | Milford, OH | 7 mi |
| 45245 | Cincinnati, OH | 7.7 mi |
| 45122 | Goshen, OH | 9 mi |
| 45174 | Terrace Park, OH | 10.2 mi |
| 45244 | Cincinnati, OH | 10.2 mi |
| 45255 | Cincinnati, OH | 10.3 mi |
| 45157 | New Richmond, OH | 10.7 mi |
| 45111 | Camp Dennison, OH | 10.7 mi |
Questions about 45103
What is the ZIP+4 code for 45103?
45103 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 45103, you need to look up a specific street address to get them.
What city is 45103?
45103 is assigned to Batavia, Ohio, in Clermont 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.