ZIP Code 43138 — Logan, OH
43138 is a standard (street delivery) ZIP code serving Logan, Ohio, in Hocking 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 43138 at a glance
| ZIP code | 43138 |
|---|---|
| Primary city | Logan |
| State | Ohio (OH) |
| County | Hocking FIPS 39073 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 18,906 |
| Coordinates | 39.522250, -82.413350 |
How ZIP+4 works in 43138
The four digits after the hyphen encode a delivery segment inside 43138. 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 43138 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 43138.
| ZIP | City | Distance |
|---|---|---|
| 43127 | Haydenville, OH | 5.8 mi |
| 43158 | Union Furnace, OH | 5.9 mi |
| 43149 | Rockbridge, OH | 8.5 mi |
| 43111 | Carbon Hill, OH | 9.2 mi |
| 43155 | Sugar Grove, OH | 9.3 mi |
| 43766 | New Straitsville, OH | 10 mi |
| 45764 | Nelsonville, OH | 10.3 mi |
| 45654 | New Plymouth, OH | 10.9 mi |
| 43144 | Murray City, OH | 11.8 mi |
| 43107 | Bremen, OH | 11.8 mi |
| 45622 | Creola, OH | 12.1 mi |
| 43782 | Shawnee, OH | 12.4 mi |
Questions about 43138
What is the ZIP+4 code for 43138?
43138 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 43138, you need to look up a specific street address to get them.
What city is 43138?
43138 is assigned to Logan, Ohio, in Hocking 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.