Dayi St. Postal Information
| Postal Code | Coverage Range | Department | |
|---|---|---|---|
| 557004 | 單 185號以下 | View Details | |
| 557004 | 187巷單 29號以下 | View Details | |
| 557009 | 187巷單 31號至 79號 | View Details | |
| 557004 | 187巷雙 58號以下 | View Details | |
| 557009 | 187巷雙 60號至 62號 | View Details | |
| 557004 | 單 189巷至 195號 | View Details | |
| 557004 | 雙 196號以下 | View Details |