ZIP Code 44439 — Mesopotamia, OH
44439 is a standard (street delivery) ZIP code serving Mesopotamia, Ohio, in Trumbull 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 44439 at a glance
| ZIP code | 44439 |
|---|---|
| Primary city | Mesopotamia |
| State | Ohio (OH) |
| County | Trumbull FIPS 39155 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 499 |
| Coordinates | 41.454360, -80.955520 |
How ZIP+4 works in 44439
The four digits after the hyphen encode a delivery segment inside 44439. 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 44439 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 44439.
| ZIP | City | Distance |
|---|---|---|
| 44062 | Middlefield, OH | 3.7 mi |
| 44491 | West Farmington, OH | 5.6 mi |
| 44450 | North Bloomfield, OH | 6.7 mi |
| 44099 | Windsor, OH | 6.8 mi |
| 44402 | Bristolville, OH | 6.9 mi |
| 44080 | Parkman, OH | 8 mi |
| 44046 | Huntsburg, OH | 8.5 mi |
| 44076 | Orwell, OH | 8.7 mi |
| 44021 | Burton, OH | 9.9 mi |
| 44470 | Southington, OH | 10.8 mi |
| 44085 | Rome, OH | 11.2 mi |
| 44064 | Montville, OH | 11.5 mi |
Questions about 44439
What is the ZIP+4 code for 44439?
44439 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 44439, you need to look up a specific street address to get them.
What city is 44439?
44439 is assigned to Mesopotamia, Ohio, in Trumbull 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.