ZIP Code 15521 — Alum Bank, PA
15521 is a standard (street delivery) ZIP code serving Alum Bank, Pennsylvania, in Bedford 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 15521 at a glance
| ZIP code | 15521 |
|---|---|
| Primary city | Alum Bank |
| State | Pennsylvania (PA) |
| County | Bedford FIPS 42009 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 1,712 |
| Coordinates | 40.199720, -78.631760 |
How ZIP+4 works in 15521
The four digits after the hyphen encode a delivery segment inside 15521. 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 15521 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 15521.
| ZIP | City | Distance |
|---|---|---|
| 15554 | New Paris, PA | 5.2 mi |
| 15539 | Fishertown, PA | 5.3 mi |
| 16655 | Imler, PA | 5.5 mi |
| 16667 | Osterburg, PA | 5.7 mi |
| 15963 | Windber, PA | 7.5 mi |
| 16670 | Queen, PA | 7.8 mi |
| 15930 | Dunlo, PA | 8 mi |
| 15955 | Sidman, PA | 8.2 mi |
| 15921 | Beaverdale, PA | 8.8 mi |
| 16625 | Claysburg, PA | 8.8 mi |
| 15924 | Cairnbrook, PA | 9.9 mi |
| 15559 | Schellsburg, PA | 10.1 mi |
Questions about 15521
What is the ZIP+4 code for 15521?
15521 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 15521, you need to look up a specific street address to get them.
What city is 15521?
15521 is assigned to Alum Bank, Pennsylvania, in Bedford 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.