ZIP Code 13811 — Newark Valley, NY
13811 is a standard (street delivery) ZIP code serving Newark Valley, New York, in Tioga 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 13811 at a glance
| ZIP code | 13811 |
|---|---|
| Primary city | Newark Valley |
| State | New York (NY) |
| County | Tioga FIPS 36107 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 4,127 |
| Coordinates | 42.230990, -76.174810 |
How ZIP+4 works in 13811
The four digits after the hyphen encode a delivery segment inside 13811. 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 13811 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 13811.
| ZIP | City | Distance |
|---|---|---|
| 13736 | Berkshire, NY | 6 mi |
| 13802 | Maine, NY | 6.9 mi |
| 13760 | Endicott, NY | 8.1 mi |
| 13743 | Candor, NY | 8.4 mi |
| 13827 | Owego, NY | 9.1 mi |
| 13797 | Lisle, NY | 9.4 mi |
| 13777 | Glen Aubrey, NY | 9.8 mi |
| 13790 | Johnson City, NY | 10 mi |
| 13835 | Richford, NY | 10.9 mi |
| 13864 | Willseyville, NY | 11.9 mi |
| 13905 | Binghamton, NY | 12.3 mi |
| 14817 | Brooktondale, NY | 12.6 mi |
Questions about 13811
What is the ZIP+4 code for 13811?
13811 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 13811, you need to look up a specific street address to get them.
What city is 13811?
13811 is assigned to Newark Valley, New York, in Tioga 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.