ZIP Code 12451 — Leeds, NY
12451 is a standard (street delivery) ZIP code serving Leeds, New York, in Greene 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 12451 at a glance
| ZIP code | 12451 |
|---|---|
| Primary city | Leeds |
| State | New York (NY) |
| County | Greene FIPS 36039 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 909 |
| Coordinates | 42.303370, -73.948020 |
How ZIP+4 works in 12451
The four digits after the hyphen encode a delivery segment inside 12451. 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 12451 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 12451.
| ZIP | City | Distance |
|---|---|---|
| 12482 | South Cairo, NY | 2.4 mi |
| 12058 | Earlton, NY | 3.4 mi |
| 12413 | Cairo, NY | 4.1 mi |
| 12473 | Round Top, NY | 5 mi |
| 12431 | Freehold, NY | 5.2 mi |
| 12414 | Catskill, NY | 5.8 mi |
| 12176 | Surprise, NY | 6 mi |
| 12470 | Purling, NY | 6 mi |
| 12042 | Climax, NY | 6.1 mi |
| 12051 | Coxsackie, NY | 6.2 mi |
| 12015 | Athens, NY | 6.4 mi |
| 12405 | Acra, NY | 7.7 mi |
Questions about 12451
What is the ZIP+4 code for 12451?
12451 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 12451, you need to look up a specific street address to get them.
What city is 12451?
12451 is assigned to Leeds, New York, in Greene 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.