ZIP Code 15456 — Lemont Furnace, PA
15456 is a standard (street delivery) ZIP code serving Lemont Furnace, 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 15456 at a glance
| ZIP code | 15456 |
|---|---|
| Primary city | Lemont Furnace |
| State | Pennsylvania (PA) |
| County | Fayette FIPS 42051 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 2,534 |
| Coordinates | 39.929190, -79.653200 |
How ZIP+4 works in 15456
The four digits after the hyphen encode a delivery segment inside 15456. 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 15456 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 15456.
| ZIP | City | Distance |
|---|---|---|
| 15465 | Mount Braddock, PA | 0.9 mi |
| 15489 | West Leisenring, PA | 3.2 mi |
| 15472 | Oliver, PA | 3.4 mi |
| 15431 | Dunbar, PA | 3.9 mi |
| 15445 | Hopwood, PA | 3.9 mi |
| 15455 | Leisenring, PA | 5.3 mi |
| 15401 | Uniontown, PA | 5.5 mi |
| 15416 | Brownfield, PA | 6.1 mi |
| 15421 | Chalk Hill, PA | 6.5 mi |
| 15488 | Waltersburg, PA | 6.5 mi |
| 15484 | Uledi, PA | 7.1 mi |
| 15480 | Smock, PA | 7.3 mi |
Questions about 15456
What is the ZIP+4 code for 15456?
15456 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 15456, you need to look up a specific street address to get them.
What city is 15456?
15456 is assigned to Lemont Furnace, 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.