| Locality | Post Code |
|---|---|
| Fort Pierce, Saint Lucie | 34945, 34946, 34947, 34949, 34950, … |
| Hutchinson Island, Saint Lucie | 34949 |
| Port Saint Lucie, Saint Lucie | 34952, 34953, 34983, 34984, 34986, … |
| Saint Lucie Village, Saint Lucie | 34946 |
| Saint Lucie West, Saint Lucie | 34953, 34983, 34986, 34987 |