ZIP Code 12838 — Hartford, NY
12838 is a standard (street delivery) ZIP code serving Hartford, New York, in Washington 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 12838 at a glance
| ZIP code | 12838 |
|---|---|
| Primary city | Hartford |
| State | New York (NY) |
| County | Washington FIPS 36115 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 734 |
| Coordinates | 43.343540, -73.407560 |
How ZIP+4 works in 12838
The four digits after the hyphen encode a delivery segment inside 12838. 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 12838 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 12838.
| ZIP | City | Distance |
|---|---|---|
| 12832 | Granville, NY | 4.8 mi |
| 12839 | Hudson Falls, NY | 7.2 mi |
| 12809 | Argyle, NY | 7.6 mi |
| 12821 | Comstock, NY | 7.9 mi |
| 12854 | North Granville, NY | 8.4 mi |
| 12827 | Fort Ann, NY | 9 mi |
| 05775 | West Pawlet, VT | 9 mi |
| 12849 | Middle Granville, NY | 9.1 mi |
| 12865 | Salem, NY | 9.6 mi |
| 05768 | Rupert, VT | 9.8 mi |
| 12828 | Fort Edward, NY | 10.1 mi |
| 12823 | Cossayuna, NY | 11.3 mi |
Questions about 12838
What is the ZIP+4 code for 12838?
12838 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 12838, you need to look up a specific street address to get them.
What city is 12838?
12838 is assigned to Hartford, New York, in Washington 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.