what is the postcode for seoul south korea?
139-799
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 Seoul , officially the Seoul Special City , is the capital and largest metropolis of South Korea . A megacity with a population of over 10 million , it is the largest city proper in the OECD developed world . The Seoul National Capital Area is the world 's second largest metropolitan area with over 25 million inhabitants , which includes the surrounding Incheon metropolis and Gyeonggi province . Almost a quarter of South Koreans live in Seoul , half of South Koreans live in the metropolitan area , along with over 275 @,@ 000 international residents . 

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 Seoul , officially the Seoul Special City , is the capital and largest metropolis of South Korea . A megacity with a population of over 10 million , it is the largest city proper in the OECD developed world . The Seoul National Capital Area is the world 's second largest metropolitan area with over 25 million inhabitants , which includes the surrounding Incheon metropolis and Gyeonggi province . Almost a quarter of South Koreans live in Seoul , half of South Koreans live in the metropolitan area , along with over 275 @,@ 000 international residents . 

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 By the early 1960s , other cities in Canada had been divided into postal zones , including Quebec , Montreal , Ottawa , Winnipeg and Vancouver as well as Toronto . For example , an address in Vancouver would be addressed as : 

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 = = = Post @-@ Korea = = = 

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 = = = Post @-@ Korea = = = 
