Using this tool
Find a Korean postal code by address, or look up cities and regions from international postal codes.
Understand the calculation and data coverage before relying on a result. Read the guidance and tool-specific limits below.
- Choose the options and enter your values below.
- Press the action button to see your result.
- Copy your result or save the output file.
What to know
Korean address search uses Daum Postcode; international lookup uses Zippopotam.us. Queries go to the selected provider. Coverage varies, and some countries have only partial codes; results do not guarantee delivery.
Common questions
Do I need to install an app or sign in?
No. Open it in a modern browser and start.
Where is my input processed?
Korean address search uses Daum Postcode; international lookup uses Zippopotam.us. Queries go to the selected provider. Coverage varies, and some countries have only partial codes; results do not guarantee delivery.