ZIP Code 15449 — Keisterville, PA
15449 is a standard (street delivery) ZIP code serving Keisterville, Pennsylvania, in Fayette 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 15449 at a glance
| ZIP code | 15449 |
|---|---|
| Primary city | Keisterville |
| State | Pennsylvania (PA) |
| County | Fayette FIPS 42051 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 632 |
| Coordinates | 39.972670, -79.780550 |
How ZIP+4 works in 15449
The four digits after the hyphen encode a delivery segment inside 15449. 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 15449 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 15449.
| ZIP | City | Distance |
|---|---|---|
| 15488 | Waltersburg, PA | 1.1 mi |
| 15480 | Smock, PA | 1.1 mi |
| 15422 | Chestnut Ridge, PA | 1.6 mi |
| 15468 | New Salem, PA | 3.4 mi |
| 15435 | Fairbank, PA | 4.1 mi |
| 15442 | Grindstone, PA | 4.3 mi |
| 15489 | West Leisenring, PA | 4.6 mi |
| 15420 | Cardale, PA | 4.6 mi |
| 15413 | Allison, PA | 4.9 mi |
| 15472 | Oliver, PA | 5 mi |
| 15401 | Uniontown, PA | 5.3 mi |
| 15486 | Vanderbilt, PA | 5.3 mi |
Questions about 15449
What is the ZIP+4 code for 15449?
15449 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 15449, you need to look up a specific street address to get them.
What city is 15449?
15449 is assigned to Keisterville, Pennsylvania, in Fayette 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.