Postal codes in South Korea

Explore selected South Korean postcodes by city, with links to local address examples.

City pages

South Korean postcodes have five digits. In international addresses, write the code after the locality and finish with REPUBLIC OF KOREA.

Address / locality	Example postcode
Busan City Hall and Council — Yeonje-gu	47545
Busan Museum — Nam-gu	48529
Busan National Science Museum — Gijang-gun	46081

Address / locality	Example postcode
Gyeongsangnam-do Provincial Government — Uichang-gu, Changwon-si	51154
Changwon National University — Uichang-gu, Changwon-si	51140
Changwon	51100

Address / locality	Example postcode
Daegu National Museum — Suseong-gu	42111
Daegu Art Museum — Suseong-gu	42250
Kyungpook National University — Buk-gu	41566

Address / locality	Example postcode
Daejeon City Hall — Seo-gu	35242
National Science Museum — Yuseong-gu	34143
KAIST — Yuseong-gu	34141

Address / locality	Example postcode
Goyang City Hall — Deogyang-gu, Goyang-si	10460
Goyang Aram Nuri Arts Center — Ilsandong-gu, Goyang-si	10409
Goyang Eoullim Nuri Arts Center — Deogyang-gu, Goyang-si	10471

Address / locality	Example postcode
Gwangju National Museum — Buk-gu	61066
Gwangju Museum of Art — Buk-gu	61104
Chonnam National University — Buk-gu	61186

Address / locality	Example postcode
Incheon City Hall — Namdong-gu	21554
National Museum of World Writing Systems — Yeonsu-gu	22004
Incheon National University — Yeonsu-gu	22012

Address / locality	Example postcode
Seoul City Hall — Jung-gu	04524
Ewha Womans University — Seodaemun-gu	03760
Seoul Science Center — Nowon-gu	01792

Address / locality	Example postcode
Suwon City Hall — Paldal-gu, Suwon-si	16490
Suwon Museum — Yeongtong-gu, Suwon-si	16227
Suwon Hwaseong Museum — Paldal-gu, Suwon-si	16255

Does each South Korean city have one postcode?

No. Postcodes depend on the specific address. These selected examples are a starting point; use the official postcode search for another building.