ZIP Code 44830 — Fostoria, OH
44830 is a standard (street delivery) ZIP code serving Fostoria, Ohio, in Seneca 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 44830 at a glance
| ZIP code | 44830 |
|---|---|
| Primary city | Fostoria |
| State | Ohio (OH) |
| County | Seneca FIPS 39147 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 18,671 |
| Coordinates | 41.166030, -83.400810 |
How ZIP+4 works in 44830
The four digits after the hyphen encode a delivery segment inside 44830. 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 44830 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 44830.
| ZIP | City | Distance |
|---|---|---|
| 44809 | Bascom, OH | 6 mi |
| 43457 | Risingsun, OH | 7.1 mi |
| 43467 | West Millgrove, OH | 7.1 mi |
| 44841 | Kansas, OH | 7.5 mi |
| 44817 | Bloomdale, OH | 7.9 mi |
| 44804 | Arcadia, OH | 8.1 mi |
| 44802 | Alvada, OH | 8.4 mi |
| 44853 | New Riegel, OH | 9.2 mi |
| 44815 | Bettsville, OH | 10.1 mi |
| 43466 | Wayne, OH | 10.5 mi |
| 43407 | Burgoon, OH | 11 mi |
| 43406 | Bradner, OH | 11.9 mi |
Questions about 44830
What is the ZIP+4 code for 44830?
44830 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 44830, you need to look up a specific street address to get them.
What city is 44830?
44830 is assigned to Fostoria, Ohio, in Seneca 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.