About ZIP code 20738
The ZIP code 20738 routes mail to Riverdale in the Maryland region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
20738 - Riverdale
ZIP code 20738 is Riverdale in Maryland, United States.
| ZIP code | 20738 |
| Place | Riverdale |
| Region | Maryland |
| District | Prince George's |
| Country | United States (US) |
| Coordinates | 38.8336, -76.8777 (map) |