ZIP Code 13140 — Port Byron, NY
13140 is a standard (street delivery) ZIP code serving Port Byron, New York, in Cayuga 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 13140 at a glance
| ZIP code | 13140 |
|---|---|
| Primary city | Port Byron |
| State | New York (NY) |
| County | Cayuga FIPS 36011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 3,959 |
| Coordinates | 43.058910, -76.658410 |
How ZIP+4 works in 13140
The four digits after the hyphen encode a delivery segment inside 13140. 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 13140 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 13140.
| ZIP | City | Distance |
|---|---|---|
| 13117 | Montezuma, NY | 4.2 mi |
| 13166 | Weedsport, NY | 5.2 mi |
| 13146 | Savannah, NY | 5.8 mi |
| 13154 | South Butler, NY | 7.3 mi |
| 13080 | Jordan, NY | 9.3 mi |
| 13024 | Auburn, NY | 9.6 mi |
| 13113 | Meridian, NY | 9.6 mi |
| 13033 | Cato, NY | 9.8 mi |
| 13034 | Cayuga, NY | 10.2 mi |
| 13021 | Auburn, NY | 11.1 mi |
| 14433 | Clyde, NY | 11.1 mi |
| 13153 | Skaneateles Falls, NY | 11.2 mi |
Questions about 13140
What is the ZIP+4 code for 13140?
13140 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 13140, you need to look up a specific street address to get them.
What city is 13140?
13140 is assigned to Port Byron, New York, in Cayuga 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.