| Localité | Code postal |
|---|---|
| Anastasia Island, Saint Johns | 32080 |
| Armstrong, Saint Johns | 32033 |
| Elkton, Saint Johns | 32033 |
| Fruit Cove, Saint Johns | 32259 |
| Hastings, Saint Johns | 32145 |
| Jacksonville, Saint Johns | 32259 |
| Julington Creek, Saint Johns | 32259 |
| Ponte Vedra, Saint Johns | 32081 |
| Ponte Vedra Beach, Saint Johns | 32082 |
| Saint Augustine, Saint Johns | 32080, 32084, 32086, 32092, 32095 |
| Saint Augustine Beach, Saint Johns | 32080, 32086 |
| Saint Johns, Saint Johns | 32259 |
| St Johns, Saint Johns | 32259 |
| Switzerland, Saint Johns | 32259 |
| Town of Nocatee, Saint Johns | 32081 |