Saint Marys City zipcode
| City | Saint Marys City |
| ZIP Code | 20686 |
| Type | PO Box |
| State Code | MD |
| State | Maryland |
ZIP code of Saint Marys City is 20686. This place is located in Maryland state in US. To send any postal service to Saint Marys City, you must use 20686 zipcode.
The ZIP code 20686 is also used with 2 more city names of Maryland.
- Saint Marys, MD
- St Marys City, MD