About Korean Postal Authority Code
The Korea Post barcode encodes the 6-digit Korean postcode plus a computed check digit in a linear symbol with variable bar widths.
Data format
Exactly 6 digits; the check digit is computed.
Example: 123456
Postal Codes
Postal barcodes are used by postal operators for automatic sorting and tracking. Many are 4-state codes (ascender, descender, tracker, full bars) that fit even in narrow address areas.
Frequently asked questions about Korean Postal Authority Code
Is the Korean Postal Authority Code generator really free?
Yes. You can create as many Korean Postal Authority Code barcodes as you like and download them as PNG or SVG – no registration, no watermark, commercial use included.
What resolution does the Korean Postal Authority Code barcode have?
PNG files are generated with adjustable module width and up to 600 DPI. For print we recommend the lossless SVG vector format which scales without any quality loss.
Is my data stored?
No. The barcode content is only processed to render the image and is not stored. We only count anonymously how often a barcode type is used.
Can I embed Korean Postal Authority Code barcodes in my website or software?
Yes. Every barcode has a stable image URL (see “Embed HTML”) which you can use in websites, label software or spreadsheets.