ZIP Code 15063 — Monongahela, PA
15063 is a standard (street delivery) ZIP code serving Monongahela, Pennsylvania, in Washington 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 15063 at a glance
| ZIP code | 15063 |
|---|---|
| Primary city | Monongahela |
| State | Pennsylvania (PA) |
| County | Washington FIPS 42125 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 10,525 |
| Coordinates | 40.194870, -79.922280 |
How ZIP+4 works in 15063
The four digits after the hyphen encode a delivery segment inside 15063. 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 15063 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 15063.
| ZIP | City | Distance |
|---|---|---|
| 15067 | New Eagle, PA | 2.2 mi |
| 15020 | Bunola, PA | 2.7 mi |
| 15033 | Donora, PA | 3.2 mi |
| 15366 | Van Voorhis, PA | 3.6 mi |
| 15062 | Monessen, PA | 3.6 mi |
| 15038 | Elrama, PA | 3.8 mi |
| 15087 | Webster, PA | 3.8 mi |
| 15022 | Charleroi, PA | 4.3 mi |
| 15332 | Finleyville, PA | 4.9 mi |
| 15072 | Pricedale, PA | 5.2 mi |
| 15088 | West Elizabeth, PA | 5.5 mi |
| 15037 | Elizabeth, PA | 5.7 mi |
Questions about 15063
What is the ZIP+4 code for 15063?
15063 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 15063, you need to look up a specific street address to get them.
What city is 15063?
15063 is assigned to Monongahela, Pennsylvania, in Washington 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.