Portsmouth zipcode
| City | Portsmouth |
| ZIP Code | 45662 |
| Type | Standard |
| State Code | OH |
| State | Ohio |
ZIP code of Portsmouth is 45662. This place is located in Ohio state in US. To send any postal service to Portsmouth, you must use 45662 zipcode.
The ZIP code 45662 is also used with 2 more city names of Ohio.
- New Boston, OH
- Sciotoville, OH