Korea postal code lookup

Enter a Korean address in English or Korean to get its 5-digit postcode and official English address. Enter a postcode to see the addresses that use it.

Address (English or Korean) or 5-digit postcode

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Postcodes by province: the first two digits

Every Korean postcode starts with two digits that mark the province or metropolitan city.
Province / city	Starts with
Seoul서울특별시	01–08
Gyeonggi-do경기도	10–18
Incheon인천광역시	21–23
Gangwon-do강원특별자치도	24–26
Chungcheongbuk-do충청북도	27–29
Sejong-si세종특별자치시	30
Chungcheongnam-do충청남도	31–33
Daejeon대전광역시	34–35
Gyeongsangbuk-do경상북도	36–40
Daegu대구광역시	41–43
Ulsan울산광역시	44–45
Busan부산광역시	46–49
Gyeongsangnam-do경상남도	50–53
Jeonbuk-do전북특별자치도	54–56
Jeonnam-Gwangju전남광주통합특별시	57–59, 61–62
Jeju-do제주특별자치도	63

FAQ

How many digits is a Korean postal code?

Five. Korea switched from 6-digit to 5-digit postcodes on August 1, 2015.

Where does the postcode go in an English address?

Right before the country: …, Jung-gu, Seoul, 04524, Republic of Korea. On shopping sites, put the 5 digits in the ZIP / Postal code field.

Seoul postcodes start with 0 — should I keep it?

Yes. Seoul postcodes start with 0 (e.g. 04524). Keep the leading zero; spreadsheets sometimes drop it.