ZIP Code 43408 — Clay Center, OH
43408 is a standard (street delivery) ZIP code serving Clay Center, Ohio, in Ottawa 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 43408 at a glance
| ZIP code | 43408 |
|---|---|
| Primary city | Clay Center |
| State | Ohio (OH) |
| County | Ottawa FIPS 39123 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 386 |
| Coordinates | 41.571790, -83.363520 |
How ZIP+4 works in 43408
The four digits after the hyphen encode a delivery segment inside 43408. 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 43408 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 43408.
| ZIP | City | Distance |
|---|---|---|
| 43468 | Williston, OH | 2.1 mi |
| 43430 | Genoa, OH | 3.3 mi |
| 43447 | Millbury, OH | 3.7 mi |
| 43445 | Martin, OH | 3.7 mi |
| 43412 | Curtice, OH | 4.6 mi |
| 43432 | Graytown, OH | 5.9 mi |
| 43619 | Northwood, OH | 6.1 mi |
| 43616 | Oregon, OH | 6.4 mi |
| 43465 | Walbridge, OH | 7.3 mi |
| 43416 | Elmore, OH | 7.7 mi |
| 43469 | Woodville, OH | 7.8 mi |
| 43458 | Rocky Ridge, OH | 8.3 mi |
Questions about 43408
What is the ZIP+4 code for 43408?
43408 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 43408, you need to look up a specific street address to get them.
What city is 43408?
43408 is assigned to Clay Center, Ohio, in Ottawa 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.