ZIP Code 26543 — Osage, WV
26543 is a standard (street delivery) ZIP code serving Osage, West Virginia, in Monongalia 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 26543 at a glance
| ZIP code | 26543 |
|---|---|
| Primary city | Osage |
| State | West Virginia (WV) |
| County | Monongalia FIPS 54061 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Coordinates | 39.663750, -80.002190 |
How ZIP+4 works in 26543
The four digits after the hyphen encode a delivery segment inside 26543. 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 26543 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 26543.
| ZIP | City | Distance |
|---|---|---|
| 26534 | Granville, WV | 1.2 mi |
| 26546 | Pursglove, WV | 1.5 mi |
| 26506 | Morgantown, WV | 2.1 mi |
| 26501 | Morgantown, WV | 3.2 mi |
| 26505 | Morgantown, WV | 3.3 mi |
| 26541 | Maidsville, WV | 4 mi |
| 15327 | Dilliner, PA | 6.4 mi |
| 15315 | Bobtown, PA | 6.5 mi |
| 26508 | Morgantown, WV | 7.1 mi |
| 15349 | Mount Morris, PA | 7.7 mi |
| 15474 | Point Marion, PA | 8.1 mi |
| 26544 | Pentress, WV | 9.6 mi |
Questions about 26543
What is the ZIP+4 code for 26543?
26543 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 26543, you need to look up a specific street address to get them.
What city is 26543?
26543 is assigned to Osage, West Virginia, in Monongalia 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.