| Locality | Post Code |
|---|---|
| Retreat, Saint Joseph | 21035 |
| Ridge Road, Saint Joseph | 21013 |
| Round Hill, Saint Joseph | 21050 |
| Round Rock, Saint Joseph | 21026 |
| Saddle Back, Saint Joseph | 21004, 21012, 21013 |
| Seniors, Saint Joseph | 21010 |
| Skeetes Road, Saint Joseph | 21011, 21013 |
| Spa Hill, Saint Joseph | 21023 |
| Springfield, Saint Joseph | 21004, 21013 |
| St. Ann's, Saint Joseph | 21035, 21035, 21036 |
| St. Bernard's Village, Saint Joseph | 21019 |
| St. Elizabeth, Saint Joseph | 21026, 21046, 21054 |
| St. Elizabeth New Road, Saint Joseph | 21026 |
| St. Joseph Parish Church, Saint Joseph | 21030 |
| St. Margarets, Saint Joseph | 21044, 21046, 21054 |
| St. Sylvans Village, Saint Joseph | 21010 |
| Station Hill, Saint Joseph | 21016 |
| Straughan Village, Saint Joseph | 21020 |
| Sturges, Saint Joseph | 22003 |
| Sugar Hill, Saint Joseph | 21033, 22003 |
| SuGardensHill, Saint Joseph | 21032, 21033 |
| Surinam, Saint Joseph | 21053 |
| Sweet Vale, Saint Joseph | 20034 |
| Tappie Pond, Saint Joseph | 20034 |
| Tent Bay, Saint Joseph | 21043 |
| The Lodge School Road, Saint Joseph | 20034 |