ZIP Code 16232 — Knox, PA
16232 is a standard (street delivery) ZIP code serving Knox, Pennsylvania, in Clarion 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 16232 at a glance
| ZIP code | 16232 |
|---|---|
| Primary city | Knox |
| State | Pennsylvania (PA) |
| County | Clarion FIPS 42031 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 4,025 |
| Coordinates | 41.221970, -79.549230 |
How ZIP+4 works in 16232
The four digits after the hyphen encode a delivery segment inside 16232. 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 16232 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 16232.
| ZIP | City | Distance |
|---|---|---|
| 16331 | Kossuth, PA | 4.8 mi |
| 16254 | Shippenville, PA | 5.8 mi |
| 16213 | Callensburg, PA | 6.7 mi |
| 16054 | Saint Petersburg, PA | 7.2 mi |
| 16334 | Marble, PA | 7.3 mi |
| 16255 | Sligo, PA | 7.8 mi |
| 16373 | Emlenton, PA | 7.8 mi |
| 16319 | Cranberry, PA | 8 mi |
| 16036 | Foxburg, PA | 8.6 mi |
| 16364 | Venus, PA | 9.9 mi |
| 16214 | Clarion, PA | 9.9 mi |
| 16049 | Parker, PA | 10.8 mi |
Questions about 16232
What is the ZIP+4 code for 16232?
16232 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 16232, you need to look up a specific street address to get them.
What city is 16232?
16232 is assigned to Knox, Pennsylvania, in Clarion 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.