| Postal Code | 1720 |
| Postal Code Name | Copenhagen V |
| Region | Capital Region of Denmark |
| Municipality | Copenhagen Municipality |
| Timezone | Central European Time (CET) |
| Adjacent Postal Codes | 1658 1660 1662 1663 1665 1669 1671 1674 1676 1700 1705 1709 1717 1718 1719 1721 1722 1723 1726 1727 1728 1729 1730 1731 1732 1733 1735 1737 1738 1739 1750 1760 1762 1763 1765 1766 1799 2450 |