| Locality | Post Code |
|---|---|
| Airy Castle, Saint Thomas | JM00000 |
| Albion, Saint Thomas | JM00000 |
| Amity Hall, Saint Thomas | JM00000 |
| Arcadia, Saint Thomas | JM00000 |
| Baptist, Saint Thomas | JM00000 |
| Barking Lodge, Saint Thomas | JM00000 |
| Bath, Saint Thomas | JMBTS01 |
| Bethel, Saint Thomas | JM00000 |
| Cedar Valley, Saint Thomas | JMBTS02 |
| Church Corner, Saint Thomas | JM00000 |
| Dalvey, Saint Thomas | JMBTS03 |
| Danvers Pen, Saint Thomas | JM00000 |
| Duckenfield, Saint Thomas | JM00000 |
| Duhaney Pen, Saint Thomas | JM00000 |
| Easington, Saint Thomas | JM00000 |
| Eleven Miles, Saint Thomas | JM00000 |
| Font Hill, Saint Thomas | JM00000 |
| Golden Grove, Saint Thomas | JMBTS04 |
| Hagley Gap, Saint Thomas | JMBTS05 |
| Hampton Court, Saint Thomas | JM00000 |
| Hayfield, Saint Thomas | JM00000 |
| Hillside, Saint Thomas | JM00000 |
| Johns Town, Saint Thomas | JM00000 |
| Johnson Mountain, Saint Thomas | JM00000 |
| Jones Pen, Saint Thomas | JM00000 |
| Leith Hall, Saint Thomas | JM00000 |