ZIP Code 43917 — Dillonvale, OH
43917 is a standard (street delivery) ZIP code serving Dillonvale, Ohio, in Jefferson 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 43917 at a glance
| ZIP code | 43917 |
|---|---|
| Primary city | Dillonvale |
| State | Ohio (OH) |
| County | Jefferson FIPS 39081 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 2,207 |
| Coordinates | 40.223960, -80.805460 |
How ZIP+4 works in 43917
The four digits after the hyphen encode a delivery segment inside 43917. 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 43917 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 43917.
| ZIP | City | Distance |
|---|---|---|
| 43901 | Adena, OH | 3.2 mi |
| 43948 | Smithfield, OH | 3.4 mi |
| 43943 | Rayland, OH | 3.8 mi |
| 43939 | Mount Pleasant, OH | 3.9 mi |
| 43974 | Harrisville, OH | 5.2 mi |
| 43971 | Yorkville, OH | 6.7 mi |
| 43963 | Tiltonsville, OH | 6.8 mi |
| 43935 | Martins Ferry, OH | 7.4 mi |
| 26030 | Beech Bottom, WV | 7.7 mi |
| 26058 | Short Creek, WV | 7.9 mi |
| 43905 | Barton, OH | 8 mi |
| 26075 | Windsor Heights, WV | 8.6 mi |
Questions about 43917
What is the ZIP+4 code for 43917?
43917 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 43917, you need to look up a specific street address to get them.
What city is 43917?
43917 is assigned to Dillonvale, Ohio, in Jefferson 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.