ZIP Code 15909 — Johnstown, PA
15909 is a standard (street delivery) ZIP code serving Johnstown, Pennsylvania, in Cambria 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 15909 at a glance
| ZIP code | 15909 |
|---|---|
| Primary city | Johnstown |
| State | Pennsylvania (PA) |
| County | Cambria FIPS 42021 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 4,571 |
| Coordinates | 40.407830, -78.870470 |
How ZIP+4 works in 15909
The four digits after the hyphen encode a delivery segment inside 15909. 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 15909 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.
Other ZIP codes in Johnstown
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 15909.
| ZIP | City | Distance |
|---|---|---|
| 15942 | Mineral Point, PA | 3.1 mi |
| 15945 | Parkhill, PA | 3.4 mi |
| 15906 | Johnstown, PA | 3.9 mi |
| 15943 | Nanty Glo, PA | 5 mi |
| 15961 | Vintondale, PA | 5.2 mi |
| 15956 | South Fork, PA | 5.9 mi |
| 15901 | Johnstown, PA | 5.9 mi |
| 15902 | Johnstown, PA | 6.1 mi |
| 15960 | Twin Rocks, PA | 6.3 mi |
| 15954 | Seward, PA | 6.9 mi |
| 15904 | Johnstown, PA | 7.2 mi |
| 15958 | Summerhill, PA | 7.3 mi |
Questions about 15909
What is the ZIP+4 code for 15909?
15909 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 15909, you need to look up a specific street address to get them.
What city is 15909?
15909 is assigned to Johnstown, Pennsylvania, in Cambria 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.