ZIP Code 12544 — Mellenville, NY
12544 is a standard (street delivery) ZIP code serving Mellenville, New York, in Columbia 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 12544 at a glance
| ZIP code | 12544 |
|---|---|
| Primary city | Mellenville |
| State | New York (NY) |
| County | Columbia FIPS 36021 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 127 |
| Coordinates | 42.261290, -73.668220 |
How ZIP+4 works in 12544
The four digits after the hyphen encode a delivery segment inside 12544. 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 12544 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 12544.
| ZIP | City | Distance |
|---|---|---|
| 12565 | Philmont, NY | 1.4 mi |
| 12075 | Ghent, NY | 3.1 mi |
| 12530 | Hollowville, NY | 3.8 mi |
| 12513 | Claverack, NY | 3.9 mi |
| 12172 | Stottville, NY | 4.1 mi |
| 12534 | Hudson, NY | 5.1 mi |
| 12521 | Craryville, NY | 6.3 mi |
| 12174 | Stuyvesant Falls, NY | 7 mi |
| 12529 | Hillsdale, NY | 7.4 mi |
| 12037 | Chatham, NY | 7.6 mi |
| 12015 | Athens, NY | 8.2 mi |
| 12165 | Spencertown, NY | 9 mi |
Questions about 12544
What is the ZIP+4 code for 12544?
12544 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 12544, you need to look up a specific street address to get them.
What city is 12544?
12544 is assigned to Mellenville, New York, in Columbia 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.