ZIP Code 43321 — Fulton, OH
43321 is a standard (street delivery) ZIP code serving Fulton, Ohio, in Morrow 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 43321 at a glance
| ZIP code | 43321 |
|---|---|
| Primary city | Fulton |
| State | Ohio (OH) |
| County | Morrow FIPS 39117 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 378 |
| Coordinates | 40.463000, -82.828890 |
How ZIP+4 works in 43321
The four digits after the hyphen encode a delivery segment inside 43321. 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 43321 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 43321.
| ZIP | City | Distance |
|---|---|---|
| 43315 | Cardington, OH | 3 mi |
| 43334 | Marengo, OH | 4.7 mi |
| 43338 | Mount Gilead, OH | 7.7 mi |
| 43317 | Chesterville, OH | 7.8 mi |
| 43350 | Sparta, OH | 8.2 mi |
| 43003 | Ashley, OH | 8.2 mi |
| 43320 | Edison, OH | 9.4 mi |
| 43356 | Waldo, OH | 11.5 mi |
| 43074 | Sunbury, OH | 12.7 mi |
| 43011 | Centerburg, OH | 13 mi |
| 43019 | Fredericktown, OH | 13.3 mi |
| 43325 | Iberia, OH | 14.2 mi |
Questions about 43321
What is the ZIP+4 code for 43321?
43321 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 43321, you need to look up a specific street address to get them.
What city is 43321?
43321 is assigned to Fulton, Ohio, in Morrow 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.