Foes all korean house have house numbers?

Yes, most Korean houses have house numbers. House numbers are used for identification and addressing purposes, and are typically displayed on the front of the house or on the mailbox. In urban areas, houses are usually numbered sequentially along a street, while in rural areas, houses may be numbered based on their location within a village or town. Having a house number is important for mail delivery, emergency services, and other official purposes.

No, not all Korean houses have house numbers. In many parts of Korea, especially in rural areas, houses may not have official house numbers assigned by the government. Instead, they rely on a system of informal numbering based on the order in which houses were built or their location within a village or neighborhood.