ZIP Code 43950 — Saint Clairsville, OH
43950 is a standard (street delivery) ZIP code serving Saint Clairsville, Ohio, in Belmont 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 43950 at a glance
| ZIP code | 43950 |
|---|---|
| Primary city | Saint Clairsville |
| State | Ohio (OH) |
| County | Belmont FIPS 39013 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 16,404 |
| Coordinates | 40.091640, -80.921930 |
How ZIP+4 works in 43950
The four digits after the hyphen encode a delivery segment inside 43950. 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 43950 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 43950.
| ZIP | City | Distance |
|---|---|---|
| 43972 | Bannock, OH | 2.9 mi |
| 43905 | Barton, OH | 4.5 mi |
| 43967 | Warnock, OH | 4.9 mi |
| 43951 | Lafferty, OH | 5.1 mi |
| 43909 | Blaine, OH | 5.9 mi |
| 43928 | Glencoe, OH | 6 mi |
| 43974 | Harrisville, OH | 6.5 mi |
| 43940 | Neffs, OH | 6.7 mi |
| 43912 | Bridgeport, OH | 6.8 mi |
| 43934 | Lansing, OH | 7 mi |
| 43718 | Belmont, OH | 7.2 mi |
| 43981 | New Athens, OH | 7.4 mi |
Questions about 43950
What is the ZIP+4 code for 43950?
43950 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 43950, you need to look up a specific street address to get them.
What city is 43950?
43950 is assigned to Saint Clairsville, Ohio, in Belmont 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.