ZIP Code 13203 — Syracuse, NY
13203 is a standard (street delivery) ZIP code serving Syracuse, New York, in Onondaga 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 13203 at a glance
| ZIP code | 13203 |
|---|---|
| Primary city | Syracuse |
| State | New York (NY) |
| County | Onondaga FIPS 36067 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 16,180 |
| Coordinates | 43.061000, -76.134860 |
How ZIP+4 works in 13203
The four digits after the hyphen encode a delivery segment inside 13203. 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 13203 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.
Other ZIP codes in Syracuse
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 13203.
| ZIP | City | Distance |
|---|---|---|
| 13208 | Syracuse, NY | 1.3 mi |
| 13202 | Syracuse, NY | 1.4 mi |
| 13206 | Syracuse, NY | 1.7 mi |
| 13290 | Syracuse, NY | 2.1 mi |
| 13210 | Syracuse, NY | 2.1 mi |
| 13224 | Syracuse, NY | 2.2 mi |
| 13204 | Syracuse, NY | 2.2 mi |
| 13244 | Syracuse, NY | 2.7 mi |
| 13211 | Syracuse, NY | 3 mi |
| 13214 | Syracuse, NY | 3.4 mi |
| 13207 | Syracuse, NY | 3.7 mi |
| 13205 | Syracuse, NY | 3.9 mi |
Questions about 13203
What is the ZIP+4 code for 13203?
13203 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 13203, you need to look up a specific street address to get them.
What city is 13203?
13203 is assigned to Syracuse, New York, in Onondaga 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.