ZIP Code 13865 — Windsor, NY
13865 is a standard (street delivery) ZIP code serving Windsor, New York, in Broome 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 13865 at a glance
| ZIP code | 13865 |
|---|---|
| Primary city | Windsor |
| State | New York (NY) |
| County | Broome FIPS 36007 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 5,610 |
| Coordinates | 42.062820, -75.628790 |
How ZIP+4 works in 13865
The four digits after the hyphen encode a delivery segment inside 13865. 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 13865 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 13865.
| ZIP | City | Distance |
|---|---|---|
| 13826 | Ouaquaga, NY | 3 mi |
| 13795 | Kirkwood, NY | 7.5 mi |
| 18821 | Great Bend, PA | 7.6 mi |
| 13813 | Nineveh, NY | 8.5 mi |
| 18847 | Susquehanna, PA | 9.3 mi |
| 13748 | Conklin, NY | 9.9 mi |
| 13787 | Harpursville, NY | 10 mi |
| 13754 | Deposit, NY | 10.1 mi |
| 13904 | Binghamton, NY | 10.7 mi |
| 13833 | Port Crane, NY | 11.6 mi |
| 18822 | Hallstead, PA | 11.9 mi |
| 13730 | Afton, NY | 12.7 mi |
Questions about 13865
What is the ZIP+4 code for 13865?
13865 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 13865, you need to look up a specific street address to get them.
What city is 13865?
13865 is assigned to Windsor, New York, in Broome 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.