ZIP Code 13618 — Cape Vincent, NY
13618 is a standard (street delivery) ZIP code serving Cape Vincent, New York, in Jefferson 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 13618 at a glance
| ZIP code | 13618 |
|---|---|
| Primary city | Cape Vincent |
| State | New York (NY) |
| County | Jefferson FIPS 36045 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 1,771 |
| Coordinates | 44.116410, -76.278510 |
How ZIP+4 works in 13618
The four digits after the hyphen encode a delivery segment inside 13618. 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 13618 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 13618.
| ZIP | City | Distance |
|---|---|---|
| 13693 | Three Mile Bay, NY | 6 mi |
| 13622 | Chaumont, NY | 8.2 mi |
| 13632 | Depauville, NY | 10.4 mi |
| 13624 | Clayton, NY | 11.6 mi |
| 13634 | Dexter, NY | 12.6 mi |
| 13685 | Sackets Harbor, NY | 15.6 mi |
| 13615 | Brownville, NY | 16.5 mi |
| 13656 | La Fargeville, NY | 17 mi |
| 13692 | Thousand Island Park, NY | 17.3 mi |
| 13641 | Fishers Landing, NY | 17.3 mi |
| 13651 | Henderson Harbor, NY | 18 mi |
| 13640 | Wellesley Island, NY | 19.7 mi |
Questions about 13618
What is the ZIP+4 code for 13618?
13618 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 13618, you need to look up a specific street address to get them.
What city is 13618?
13618 is assigned to Cape Vincent, New York, in Jefferson 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.