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About this app

▣ What is a zip code?
A 6-digit zip code that has long been required to deliver mail. Since 2015, mail can be delivered quickly and accurately by optimizing the delivery route of postmen, and it has been reorganized and changed to 5 digits to strengthen national competitiveness by sharing various information among all public institutions.

▣ I need to send mail, but when do I search and how do I find it? Do not worry too much. Find related addresses along with your zip code quickly and conveniently with our app. Even if you search just a road name address or street number address, all related addresses are searched at once. Since the road name address and old address are displayed at once, you don’t have to worry about confusion!

▣ I only know the zip code. Is that okay? It doesn't matter! Even if you don't know the original address and only know the zip code, the related street name address and old address are displayed, so you can easily find the address even if you only know the zip code.

▣ Rather than searching for each one, find out all related addresses with one app!

※ This app is not related to the government or government agencies and provides only reliable information.
※ Source: Internet Post Office (https://www.epost.go.kr/)