ZIP Code 13838 — Sidney, NY
13838 is a standard (street delivery) ZIP code serving Sidney, New York, in Delaware 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 13838 at a glance
| ZIP code | 13838 |
|---|---|
| Primary city | Sidney |
| State | New York (NY) |
| County | Delaware FIPS 36025 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 4,251 |
| Coordinates | 42.284230, -75.395950 |
How ZIP+4 works in 13838
The four digits after the hyphen encode a delivery segment inside 13838. 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 13838 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 13838.
| ZIP | City | Distance |
|---|---|---|
| 13733 | Bainbridge, NY | 4.5 mi |
| 13804 | Masonville, NY | 5.4 mi |
| 13849 | Unadilla, NY | 5.6 mi |
| 13839 | Sidney Center, NY | 7.4 mi |
| 13730 | Afton, NY | 7.8 mi |
| 13847 | Trout Creek, NY | 8.2 mi |
| 13809 | Mount Upton, NY | 8.6 mi |
| 13859 | Wells Bridge, NY | 9.6 mi |
| 13780 | Guilford, NY | 10.6 mi |
| 13813 | Nineveh, NY | 11 mi |
| 13775 | Franklin, NY | 13.2 mi |
| 13776 | Gilbertsville, NY | 13.2 mi |
Questions about 13838
What is the ZIP+4 code for 13838?
13838 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 13838, you need to look up a specific street address to get them.
What city is 13838?
13838 is assigned to Sidney, New York, in Delaware 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.