Deal Island zipcode
| City | Deal Island |
| ZIP Code | 21821 |
| Type | Standard |
| State Code | MD |
| State | Maryland |
ZIP code of Deal Island is 21821. This place is located in Maryland state in US. To send any postal service to Deal Island, you must use 21821 zipcode.
The ZIP code 21821 is also used with 3 more city names of Maryland.
- Chance, MD
- Dames Quarter, MD
- Wenona, MD