ZIP Code 15146 — Monroeville, PA
15146 is a standard (street delivery) ZIP code serving Monroeville, 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 15146 at a glance
| ZIP code | 15146 |
|---|---|
| Primary city | Monroeville |
| State | Pennsylvania (PA) |
| County | Allegheny FIPS 42003 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 28,332 |
| Coordinates | 40.426400, -79.760050 |
How ZIP+4 works in 15146
The four digits after the hyphen encode a delivery segment inside 15146. 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 15146 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 15146.
| ZIP | City | Distance |
|---|---|---|
| 15140 | Pitcairn, PA | 1.6 mi |
| 15148 | Wilmerding, PA | 2.9 mi |
| 15145 | Turtle Creek, PA | 3.4 mi |
| 15085 | Trafford, PA | 3.4 mi |
| 15035 | East Mckeesport, PA | 3.8 mi |
| 15235 | Pittsburgh, PA | 4 mi |
| 15137 | North Versailles, PA | 4.2 mi |
| 15239 | Pittsburgh, PA | 4.2 mi |
| 15112 | East Pittsburgh, PA | 4.3 mi |
| 15615 | Ardara, PA | 4.7 mi |
| 15668 | Murrysville, PA | 5.3 mi |
| 15221 | Pittsburgh, PA | 5.6 mi |
Questions about 15146
What is the ZIP+4 code for 15146?
15146 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 15146, you need to look up a specific street address to get them.
What city is 15146?
15146 is assigned to Monroeville, 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.