ZIP Code 15142 — Presto, PA
15142 is a standard (street delivery) ZIP code serving Presto, Pennsylvania, in Allegheny 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 15142 at a glance
| ZIP code | 15142 |
|---|---|
| Primary city | Presto |
| State | Pennsylvania (PA) |
| County | Allegheny FIPS 42003 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 1,513 |
| Coordinates | 40.384740, -80.122310 |
How ZIP+4 works in 15142
The four digits after the hyphen encode a delivery segment inside 15142. 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 15142 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 15142.
| ZIP | City | Distance |
|---|---|---|
| 15106 | Carnegie, PA | 1.8 mi |
| 15064 | Morgan, PA | 2.4 mi |
| 15243 | Pittsburgh, PA | 2.7 mi |
| 15017 | Bridgeville, PA | 2.9 mi |
| 15031 | Cuddy, PA | 3.3 mi |
| 15205 | Pittsburgh, PA | 3.8 mi |
| 15071 | Oakdale, PA | 4.1 mi |
| 15241 | Pittsburgh, PA | 4.1 mi |
| 15228 | Pittsburgh, PA | 4.2 mi |
| 15220 | Pittsburgh, PA | 4.5 mi |
| 15082 | Sturgeon, PA | 4.7 mi |
| 15216 | Pittsburgh, PA | 4.8 mi |
Questions about 15142
What is the ZIP+4 code for 15142?
15142 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 15142, you need to look up a specific street address to get them.
What city is 15142?
15142 is assigned to Presto, Pennsylvania, in Allegheny 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.