| Ortschaft | Postleitzahl |
|---|---|
| Singapore, District 04 | 090001, 090003, 090004, 090005, 090006, … |
| Postleitzahlen in Central | |
|---|---|
| District 28 | District 20 |
| District 19 | District 12 |
| District 11 | District 10 |
| District 09 | District 08 |
| District 07 | District 06 |
| District 04 | District 03 |
| District 02 | District 01 |