ZIP Code 15954 — Seward, PA
15954 is a standard (street delivery) ZIP code serving Seward, Pennsylvania, in Indiana 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 15954 at a glance
| ZIP code | 15954 |
|---|---|
| Primary city | Seward |
| State | Pennsylvania (PA) |
| County | Indiana FIPS 42063 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 2,279 |
| Coordinates | 40.418370, -79.000510 |
How ZIP+4 works in 15954
The four digits after the hyphen encode a delivery segment inside 15954. 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 15954 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 15954.
| ZIP | City | Distance |
|---|---|---|
| 15929 | Dilltown, PA | 4 mi |
| 15920 | Armagh, PA | 4.2 mi |
| 15961 | Vintondale, PA | 4.4 mi |
| 15906 | Johnstown, PA | 4.5 mi |
| 15944 | New Florence, PA | 5.7 mi |
| 15909 | Johnstown, PA | 6.9 mi |
| 15949 | Robinson, PA | 7.1 mi |
| 15901 | Johnstown, PA | 7.7 mi |
| 15945 | Parkhill, PA | 8 mi |
| 15905 | Johnstown, PA | 8.6 mi |
| 15748 | Homer City, PA | 8.6 mi |
| 15720 | Brush Valley, PA | 9 mi |
Questions about 15954
What is the ZIP+4 code for 15954?
15954 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 15954, you need to look up a specific street address to get them.
What city is 15954?
15954 is assigned to Seward, Pennsylvania, in Indiana 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.