About ZIP code 21664
The ZIP code 21664 routes mail to Secretary 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
21664 - Secretary
ZIP code 21664 is Secretary in Maryland, United States.
| ZIP code | 21664 |
| Place | Secretary |
| Region | Maryland |
| District | Dorchester |
| Country | United States (US) |
| Coordinates | 38.6093, -75.9474 (map) |