ZIP Code 16125 — Greenville, PA
16125 is a standard (street delivery) ZIP code serving Greenville, Pennsylvania, in Mercer 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 16125 at a glance
| ZIP code | 16125 |
|---|---|
| Primary city | Greenville |
| State | Pennsylvania (PA) |
| County | Mercer FIPS 42085 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 17,178 |
| Coordinates | 41.405650, -80.371350 |
How ZIP+4 works in 16125
The four digits after the hyphen encode a delivery segment inside 16125. 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 16125 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 16125.
| ZIP | City | Distance |
|---|---|---|
| 16154 | Transfer, PA | 6.1 mi |
| 16110 | Adamsville, PA | 6.4 mi |
| 16124 | Fredonia, PA | 7.4 mi |
| 16134 | Jamestown, PA | 8.3 mi |
| 16130 | Hadley, PA | 8.4 mi |
| 16113 | Clark, PA | 8.9 mi |
| 16150 | Sharpsville, PA | 9 mi |
| 16111 | Atlantic, PA | 9 mi |
| 16151 | Sheakleyville, PA | 9 mi |
| 16114 | Clarks Mills, PA | 9.5 mi |
| 16131 | Hartstown, PA | 9.9 mi |
| 44404 | Burghill, OH | 10.6 mi |
Questions about 16125
What is the ZIP+4 code for 16125?
16125 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 16125, you need to look up a specific street address to get them.
What city is 16125?
16125 is assigned to Greenville, Pennsylvania, in Mercer 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.