| Ortschaft | Postleitzahl |
|---|---|
| Albert Town, Trelawny | JMCTY01 |
| Alps, Trelawny | JM00000 |
| Bounty Hall, Trelawny | JM00000 |
| Brampton, Trelawny | JM00000 |
| Bunkers Hill, Trelawny | JMCTY02 |
| Clarks Town, Trelawny | JMCTY03 |
| Daniel Town, Trelawny | JM00000 |
| Deeside, Trelawny | JMCTY04 |
| Duanvale, Trelawny | JMCTY05 |
| Duncans, Trelawny | JMCTY06 |
| Falmouth, Trelawny | JMCTY07 |
| Freemans Hall, Trelawny | JM00000 |
| Granville, Trelawny | JM00000 |
| Hampden, Trelawny | JMCTY08 |
| Jackson Town, Trelawny | JMCTY09 |
| Joe Hut, Trelawny | JM00000 |
| Kinloss, Trelawny | JM00000 |
| Lorrimers, Trelawny | JMCTY10 |
| Martha Brae, Trelawny | JM00000 |
| Perth Town, Trelawny | JM00000 |
| Refuge, Trelawny | JM00000 |
| Rio Bueno, Trelawny | JMCTY11 |
| Salt Marsh, Trelawny | JM00000 |
| Samuels Prospect, Trelawny | JM00000 |
| Sawyers, Trelawny | JMCTY12 |
| Sherwood Content, Trelawny | JMCTY13 |