| Locality | Post Code |
|---|---|
| Barstow, Calvert | 20610 |
| Broomes Island, Calvert | 20615 |
| Chesapeake Beach, Calvert | 20732 |
| Dares Beach, Calvert | 20678 |
| Dowell, Calvert | 20629 |
| Dunkirk, Calvert | 20754 |
| Holland Point, Calvert | 20714 |
| Huntingtown, Calvert | 20639 |
| Lusby, Calvert | 20657 |
| North Beach, Calvert | 20714 |
| Owings, Calvert | 20736 |
| Port Republic, Calvert | 20676 |
| Prince Frederick, Calvert | 20678 |
| Saint Leonard, Calvert | 20685 |
| Solomons, Calvert | 20688 |
| Sunderland, Calvert | 20689 |