ZIP Code 12530 — Hollowville, NY
12530 is a standard (street delivery) ZIP code serving Hollowville, 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 12530 at a glance
| ZIP code | 12530 |
|---|---|
| Primary city | Hollowville |
| State | New York (NY) |
| County | Columbia FIPS 36021 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 270 |
| Coordinates | 42.206920, -73.684130 |
How ZIP+4 works in 12530
The four digits after the hyphen encode a delivery segment inside 12530. 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 12530 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 12530.
| ZIP | City | Distance |
|---|---|---|
| 12513 | Claverack, NY | 1.8 mi |
| 12521 | Craryville, NY | 3 mi |
| 12565 | Philmont, NY | 3.5 mi |
| 12544 | Mellenville, NY | 3.8 mi |
| 12534 | Hudson, NY | 3.8 mi |
| 12172 | Stottville, NY | 6.3 mi |
| 12075 | Ghent, NY | 6.9 mi |
| 12529 | Hillsdale, NY | 7.5 mi |
| 12502 | Ancram, NY | 8.7 mi |
| 12015 | Athens, NY | 8.9 mi |
| 12523 | Elizaville, NY | 9 mi |
| 12516 | Copake, NY | 9.6 mi |
Questions about 12530
What is the ZIP+4 code for 12530?
12530 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 12530, you need to look up a specific street address to get them.
What city is 12530?
12530 is assigned to Hollowville, 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.