ZIP Code 15781 — Walston, PA
15781 is a standard (street delivery) ZIP code serving Walston, Pennsylvania, 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 15781 at a glance
| ZIP code | 15781 |
|---|---|
| Primary city | Walston |
| State | Pennsylvania (PA) |
| County | Jefferson FIPS 42065 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 89 |
| Coordinates | 40.963750, -78.986790 |
How ZIP+4 works in 15781
The four digits after the hyphen encode a delivery segment inside 15781. 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 15781 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 15781.
| ZIP | City | Distance |
|---|---|---|
| 15767 | Punxsutawney, PA | 1 mi |
| 15733 | De Lancey, PA | 2.1 mi |
| 15764 | Oliveburg, PA | 3 mi |
| 15711 | Anita, PA | 3.4 mi |
| 15780 | Valier, PA | 4.9 mi |
| 15744 | Hamilton, PA | 5.4 mi |
| 15715 | Big Run, PA | 5.8 mi |
| 15730 | Coolspring, PA | 6.5 mi |
| 15776 | Sprankle Mills, PA | 7.5 mi |
| 15772 | Rossiter, PA | 7.7 mi |
| 15763 | Northpoint, PA | 8.3 mi |
| 15863 | Stump Creek, PA | 8.5 mi |
Questions about 15781
What is the ZIP+4 code for 15781?
15781 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 15781, you need to look up a specific street address to get them.
What city is 15781?
15781 is assigned to Walston, Pennsylvania, 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.