Youchang St. Postal Information
| Postal Code | Coverage Range | Department | |
|---|---|---|---|
| 811005 | 單 187巷以下 | View Details | |
| 811009 | 單 189號至 221號 | View Details | |
| 811005 | 223巷全 | View Details | |
| 811009 | 單 225號至 281之 1號 | View Details | |
| 811005 | 285巷全 | View Details | |
| 811009 | 單 289號至 335號 | View Details | |
| 811005 | 337巷全 | View Details | |
| 811009 | 單 339號至 815號 | View Details | |
| 811005 | 雙 102號以下 | View Details | |
| 811009 | 雙 110號至 800號 | View Details |