South Korea Complete Address Format Guide
South Korean postcodes use five digits. Road-name addresses are the current standard, although older lot-number addresses may still appear in legacy data. Domestic numbers use a leading zero, removed after +82. Seoul uses 02, while mobile numbers commonly start 010 domestically. Korean order normally places family name first, followed by a two-syllable given name. Romanization and hyphenation vary, so Hangul and romanized forms should not overwrite each other.
Standard format
๊น๋ฏผ์ค / Kim Min-jun โ street โ NNNNN
Example
03000 ยท +82 2-1234-5678
Implementation and validation notes
South Korean postcodes use five digits. Road-name addresses are the current standard, although older lot-number addresses may still appear in legacy data. Domestic numbers use a leading zero, removed after +82. Seoul uses 02, while mobile numbers commonly start 010 domestically. Korean order normally places family name first, followed by a two-syllable given name. Romanization and hyphenation vary, so Hangul and romanized forms should not overwrite each other.
Validate required state, character set, length, and syntax on the client, then repeat validation on the server. Preserve the original input and normalize into a separate field; never truncate local scripts, compound names, or leading zeroes to fit a single Western assumption.
This guide describes common formats rather than an official registry and cannot enumerate every exception. Generated output is for testing only, not delivery, calling, identity verification, or real account activity.
Postal code
NNNNN
South Korean postcodes use five digits. Road-name addresses are the current standard, although older lot-number addresses may still appear in legacy data.
Phone
+82 area/subscriber
Domestic numbers use a leading zero, removed after +82. Seoul uses 02, while mobile numbers commonly start 010 domestically.
Names
๊น๋ฏผ์ค / Kim Min-jun
Korean order normally places family name first, followed by a two-syllable given name. Romanization and hyphenation vary, so Hangul and romanized forms should not overwrite each other.
Related resources
Frequently asked questions
What is the standard South Korea address format?
A common representation is ๊น๋ฏผ์ค / Kim Min-jun โ street โ NNNNN, for example 03000 ยท +82 2-1234-5678. South Korean postcodes use five digits. Road-name addresses are the current standard, although older lot-number addresses may still appear in legacy data. Domestic numbers use a leading zero, removed after +82. Seoul uses 02, while mobile numbers commonly start 010 domestically. Korean order normally places family name first, followed by a two-syllable given name. Romanization and hyphenation vary, so Hangul and romanized forms should not overwrite each other.
How should South Korea address test data be stored?
Store the original value as a string so leading zeroes, spaces, hyphens, accents, and local scripts are preserved. Use a separate normalized field for search.
Does correct formatting prove the data is real?
No. Syntax validation cannot prove an address is deliverable, a number is assigned, or a name belongs to a real person.