| Locality | Post Code |
|---|---|
| Friendship, Westmoreland | JMDWD08 |
| Frome, Westmoreland | JMDWD09 |
| Fullersfield, Westmoreland | JM00000 |
| Georges Plain, Westmoreland | JM00000 |
| Glenislay, Westmoreland | JMDWD10 |
| Gooden's River, Westmoreland | JM00000 |
| Grange, Westmoreland | JM00000 |
| Grange Hill, Westmoreland | JMDWD11 |
| Haddo, Westmoreland | JM00000 |
| Hertford, Westmoreland | JM00000 |
| Jerusalem, Westmoreland | JM00000 |
| Lambs River, Westmoreland | JMDWD12 |
| Leamington, Westmoreland | JM00000 |
| Lenox Bigwoods, Westmoreland | JM00000 |
| Little London, Westmoreland | JMDWD13 |
| Llandilo, Westmoreland | JM00000 |
| Mackfield, Westmoreland | JM00000 |
| Mearnsville, Westmoreland | JM00000 |
| Mount Airy, Westmoreland | JM00000 |
| Mount Stewart, Westmoreland | JM00000 |
| Negril, Westmoreland | JMDWD14 |
| New Roads, Westmoreland | JM00000 |
| New Works, Westmoreland | JM00000 |
| Orange Hill, Westmoreland | JM00000 |
| Paul Island, Westmoreland | JM00000 |
| Petersfield, Westmoreland | JMDWD15 |