ZIP Code 12856 — North River, NY
12856 is a standard (street delivery) ZIP code serving North River, New York, in Warren 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 12856 at a glance
| ZIP code | 12856 |
|---|---|
| Primary city | North River |
| State | New York (NY) |
| County | Warren FIPS 36113 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 260 |
| Coordinates | 43.655310, -74.146250 |
How ZIP+4 works in 12856
The four digits after the hyphen encode a delivery segment inside 12856. 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 12856 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 12856.
| ZIP | City | Distance |
|---|---|---|
| 12811 | Bakers Mills, NY | 6.6 mi |
| 12853 | North Creek, NY | 7.7 mi |
| 12842 | Indian Lake, NY | 9.2 mi |
| 12864 | Sabael, NY | 9.4 mi |
| 12843 | Johnsburg, NY | 9.7 mi |
| 12886 | Wevertown, NY | 11 mi |
| 12862 | Riparius, NY | 11.4 mi |
| 12190 | Wells, NY | 14.1 mi |
| 12164 | Speculator, NY | 14.1 mi |
| 12851 | Minerva, NY | 14.2 mi |
| 12810 | Athol, NY | 14.5 mi |
| 12878 | Stony Creek, NY | 15.5 mi |
Questions about 12856
What is the ZIP+4 code for 12856?
12856 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 12856, you need to look up a specific street address to get them.
What city is 12856?
12856 is assigned to North River, New York, in Warren 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.