ZIP Code 45645 — Kitts Hill, OH
45645 is a standard (street delivery) ZIP code serving Kitts Hill, Ohio, in Lawrence 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 45645 at a glance
| ZIP code | 45645 |
|---|---|
| Primary city | Kitts Hill |
| State | Ohio (OH) |
| County | Lawrence FIPS 39087 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 2,801 |
| Coordinates | 38.570820, -82.531590 |
How ZIP+4 works in 45645
The four digits after the hyphen encode a delivery segment inside 45645. 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 45645 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 45645.
| ZIP | City | Distance |
|---|---|---|
| 45696 | Willow Wood, OH | 4.9 mi |
| 45638 | Ironton, OH | 7.8 mi |
| 45680 | South Point, OH | 8 mi |
| 45619 | Chesapeake, OH | 8 mi |
| 45659 | Pedro, OH | 8.5 mi |
| 45678 | Scottown, OH | 8.6 mi |
| 41101 | Ashland, KY | 9.3 mi |
| 41169 | Russell, KY | 10.4 mi |
| 45669 | Proctorville, OH | 10.8 mi |
| 45688 | Waterloo, OH | 11 mi |
| 41183 | Worthington, KY | 11.2 mi |
| 25755 | Huntington, WV | 11.6 mi |
Questions about 45645
What is the ZIP+4 code for 45645?
45645 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 45645, you need to look up a specific street address to get them.
What city is 45645?
45645 is assigned to Kitts Hill, Ohio, in Lawrence 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.