ZIP Code 44824 — Castalia, OH
44824 is a standard (street delivery) ZIP code serving Castalia, Ohio, in Erie 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 44824 at a glance
| ZIP code | 44824 |
|---|---|
| Primary city | Castalia |
| State | Ohio (OH) |
| County | Erie FIPS 39043 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 3,642 |
| Coordinates | 41.379520, -82.804220 |
How ZIP+4 works in 44824
The four digits after the hyphen encode a delivery segment inside 44824. 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 44824 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 44824.
| ZIP | City | Distance |
|---|---|---|
| 44870 | Sandusky, OH | 4.9 mi |
| 43464 | Vickery, OH | 6.8 mi |
| 43410 | Clyde, OH | 9.4 mi |
| 43433 | Gypsum, OH | 9.5 mi |
| 44811 | Bellevue, OH | 9.6 mi |
| 43440 | Lakeside Marblehead, OH | 10.2 mi |
| 44828 | Flat Rock, OH | 10.5 mi |
| 44846 | Milan, OH | 11.1 mi |
| 44847 | Monroeville, OH | 11.4 mi |
| 43452 | Port Clinton, OH | 12.6 mi |
| 44839 | Huron, OH | 12.8 mi |
| 43439 | Lacarne, OH | 15.6 mi |
Questions about 44824
What is the ZIP+4 code for 44824?
44824 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 44824, you need to look up a specific street address to get them.
What city is 44824?
44824 is assigned to Castalia, Ohio, in Erie 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.