ZIP Code 45310 — Burkettsville, OH
45310 is a standard (street delivery) ZIP code serving Burkettsville, Ohio, in Mercer 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 45310 at a glance
| ZIP code | 45310 |
|---|---|
| Primary city | Burkettsville |
| State | Ohio (OH) |
| County | Mercer FIPS 39107 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 227 |
| Coordinates | 40.352990, -84.642640 |
How ZIP+4 works in 45310
The four digits after the hyphen encode a delivery segment inside 45310. 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 45310 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 45310.
| ZIP | City | Distance |
|---|---|---|
| 45348 | New Weston, OH | 1.9 mi |
| 45883 | Saint Henry, OH | 3.7 mi |
| 45350 | North Star, OH | 4.1 mi |
| 45362 | Rossburg, OH | 4.6 mi |
| 45846 | Fort Recovery, OH | 6.7 mi |
| 45860 | Maria Stein, OH | 7.2 mi |
| 45351 | Osgood, OH | 7.8 mi |
| 45388 | Yorkshire, OH | 8.8 mi |
| 45828 | Coldwater, OH | 9.4 mi |
| 45303 | Ansonia, OH | 9.6 mi |
| 45826 | Chickasaw, OH | 9.7 mi |
| 45380 | Versailles, OH | 10.1 mi |
Questions about 45310
What is the ZIP+4 code for 45310?
45310 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 45310, you need to look up a specific street address to get them.
What city is 45310?
45310 is assigned to Burkettsville, Ohio, in Mercer 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.