Parkton zipcode
| City | Parkton |
| ZIP Code | 21120 |
| Type | Standard |
| State Code | MD |
| State | Maryland |
ZIP code of Parkton is 21120. This place is located in Maryland state in US. To send any postal service to Parkton, you must use 21120 zipcode.
The ZIP code 21120 is also used with 2 more city names of Maryland.
- Bentley Spgs, MD
- Bentley Springs, MD