Hai'an Rd. Postal Information
| Postal Code | Coverage Range | Department | |
|---|---|---|---|
| 973058 | 單 173號以下 | View Details | |
| 973057 | 單 175號至 413號 | View Details | |
| 973035 | 單 469號至 609號 | View Details | |
| 973056 | 單 631號以上 | View Details | |
| 973058 | 雙 152號以下 | View Details | |
| 973057 | 雙 154號至 480號 | View Details | |
| 973035 | 雙 482號至 648號 | View Details | |
| 973056 | 雙 650號以上 | View Details |