South Korea address format, validation, & examples

We can see you panicking from a mile away because you don’t know South Korea’s address format. Have no fear; Smarty is here. You stumbled upon the ultimate guide for South Korean address formats. PHEW! Take a minute to breathe deeply, then grab some kimchi and settle in. Enjoy browsing South Korea’s address examples here and try out our suite of address validation tools for addresses in South Korea below. Just enter an address, and we'll format, standardize, and validate the address faster than you can binge a K-drama.

As if that weren’t exciting enough, this guide is also going to provide valuable information on South Korea address verification and validation processes and ways that you can validate South Korean addresses one at a time, in bulk, or via API.

South Korea’s address format should be written as follows:

1. Addressee line - The recipient's full name, followed by their title, if known. For example, "김영수 과장님" (Kim Young-Soo Gwajangnim), where "과장님" (Gwajangnim) means "Manager."
2. Building - The building gets its own, special line here.
3. Building number and street name and dependent locality - These items should be included in this order (the order is highly important) without any separating punctuation.
4. City - The city gets its own line, here.
5. Administrative area and postal code - The administrative area and postal code go next without separating punctuation.
6. COUNTRY - Write “KOR” in all caps on the last line.

Whether you’re validating a single address or processing millions, reliable South Korea address validation tools can improve data integrity and reduce failed workflows caused by inaccurate address data.

In real-world applications, formatting alone isn't always enough when working with addresses in South Korea. Many businesses need more to support shipping, logistics, billing, compliance, and other operational needs. That’s where Smarty’s South Korea address validation API comes in clutch.

For organizations building applications or managing large datasets, a South Korean address verification API can automate validating large South Korean address lists in real time and help supply missing or incomplete address details that may be useful.

Before we get started, here’s a note on transliteration: Address transliteration is the process of converting address characters in one alphabet (in this case, Hangul characters) to another (English or Latin characters) while still preserving the intended tone and representation of the words. In other words, we’re using Latin characters to represent the phonetics of Hangul words. It’s important to understand that transliteration isn’t the same as translation. (That’s why translating tools don’t always get the message right). Transliteration is a mechanism we use to bridge language barriers while maintaining the phonics of those words and ensuring mailability. This is one of the countries where Smarty offers South Korea address transliteration services.

If you need South Korea address verification tools that can scale, Smarty® offers flexible options built for both manual use and API-driven workflows. From a single South Korea address lookup tool to bulk validation tools to a robust South Korea address verification API, our real-time solutions make South Korea address verification simple, accurate, and easy to integrate.

For teams that rely heavily on automation, the International Street Address API makes it easy to add South Korea address verification and formatting directly into your software systems and operational workflows. If you need a more manual option, you can use the international single address verification tool for one-off checks or the bulk address validation tool to verify South Korea addresses in larger batches.

Smarty also supports address verification across 250+ countries and territories, so you can use the same address verification API and tools for South Korea addresses and international addresses alike.