ZIP Code 16161 — Wheatland, PA
16161 is a standard (street delivery) ZIP code serving Wheatland, 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 16161 at a glance
| ZIP code | 16161 |
|---|---|
| Primary city | Wheatland |
| State | Pennsylvania (PA) |
| County | Mercer FIPS 42085 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 819 |
| Coordinates | 41.202320, -80.492820 |
How ZIP+4 works in 16161
The four digits after the hyphen encode a delivery segment inside 16161. 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 16161 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 16161.
| ZIP | City | Distance |
|---|---|---|
| 16121 | Farrell, PA | 0.6 mi |
| 16146 | Sharon, PA | 2.3 mi |
| 16159 | West Middlesex, PA | 3.2 mi |
| 44438 | Masury, OH | 3.5 mi |
| 16148 | Hermitage, PA | 3.7 mi |
| 44425 | Hubbard, OH | 4.8 mi |
| 44403 | Brookfield, OH | 5.4 mi |
| 16150 | Sharpsville, PA | 6.3 mi |
| 16113 | Clark, PA | 6.6 mi |
| 16143 | Pulaski, PA | 7 mi |
| 16140 | New Bedford, PA | 7.6 mi |
| 44505 | Youngstown, OH | 8.3 mi |
Questions about 16161
What is the ZIP+4 code for 16161?
16161 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 16161, you need to look up a specific street address to get them.
What city is 16161?
16161 is assigned to Wheatland, 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.