ZIP Code 11765 — Mill Neck, NY
11765 is a standard (street delivery) ZIP code serving Mill Neck, New York, in Nassau 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 11765 at a glance
| ZIP code | 11765 |
|---|---|
| Primary city | Mill Neck |
| State | New York (NY) |
| County | Nassau FIPS 36059 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 683 |
| Coordinates | 40.882490, -73.558620 |
How ZIP+4 works in 11765
The four digits after the hyphen encode a delivery segment inside 11765. 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 11765 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 11765.
| ZIP | City | Distance |
|---|---|---|
| 11709 | Bayville, NY | 1.7 mi |
| 11560 | Locust Valley, NY | 1.7 mi |
| 11771 | Oyster Bay, NY | 2 mi |
| 11732 | East Norwich, NY | 2.9 mi |
| 11542 | Glen Cove, NY | 3.7 mi |
| 11545 | Glen Head, NY | 4.1 mi |
| 11791 | Syosset, NY | 4.7 mi |
| 11579 | Sea Cliff, NY | 5.2 mi |
| 11548 | Greenvale, NY | 5.4 mi |
| 11724 | Cold Spring Harbor, NY | 5.6 mi |
| 11547 | Glenwood Landing, NY | 5.8 mi |
| 11797 | Woodbury, NY | 6.4 mi |
Questions about 11765
What is the ZIP+4 code for 11765?
11765 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 11765, you need to look up a specific street address to get them.
What city is 11765?
11765 is assigned to Mill Neck, New York, in Nassau 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.