Check the spec
Lengths and check-digit rules for this postal symbology are listed above.
Free tools · Logistics
Generate Korean Postal Authority postage symbols.
Native Zint Korea Post barcode for a six-digit postal number with its check digit. Enter 6 digits, e.g. 305-600 for Korean Postal Authority below — lengths and check digits validate instantly in your browser before the symbol renders.
Postal barcode generator
Pick a post, type the data.
Runs locally in your browser. Nothing is uploaded; validation errors name the exact rule.
Style (module size, bar height, readable text)
Rendering symbol…
Specification
| Standards | Korea Post native Zint specification |
|---|---|
| Character set | Six postal-code digits; native Zint KOREAPOST adds the check digit. |
| Lengths | 6 digits, e.g. 305-600 |
| Check digits | Six postal-code digits; native Zint KOREAPOST adds the check digit. |
| Quiet zone | Calm quiet zones on both sides; pure black on white for sorter readability. |
| Capacity | Six postal-code digits; native Zint KOREAPOST adds the check digit. |
Usage
Korean Postal Authority routes Asia-Pacific mail through automated sorters: print it on envelopes and parcels where Asia-Pacific carriers expect it.
- Korean Postal Authority on envelopes for Asia-Pacific automated sorting
- Korean Postal Authority on parcels with the example 305600 as a starting point
- Korean Postal Authority proofs exported as SVG for print-safe output
Shape
Pros
- Korean Postal Authority is accepted by Asia-Pacific sorting automation.
- Lengths and check digits validate instantly with the exact rule named.
- SVG export stays sharp for envelopes and parcel labels.
- The symbol is read back locally before preview unlocks where a reader exists.
Cons
- Korean Postal Authority is single-purpose — it carries postal data, not general text.
- Wrong lengths or missing check digits are rejected instead of printed.
- Low contrast or tight quiet zones fail high-speed sorters first.
- Screenshots prove encoding, not sorter-grade print quality.
Form requirements
- Enter 6 digits, e.g. 305-600.
- Six postal-code digits; native Zint KOREAPOST adds the check digit.
- Preview and downloads stay withheld until local verification passes where a reader exists.
Sources
- Zint Barcode Studio (Zint)
Related formats
Keep exploring.
How it works
Three steps, all on your device.
The same engine that prints parcel labels worldwide, running in your browser.
Type the data
The on-device engine enforces the rest and appends check digits where the standard says so.
Verify, then print
The symbol is rasterized and read back locally before preview and downloads unlock.
Questions
Korean Postal Authority Generator & Specs, answered.
If you manage servers by hand, see the engineering services behind this tools series.
What do I type for Korean Postal Authority?
Six postal-code digits; native Zint KOREAPOST adds the check digit. Try the example 305600 first.
Does Korean Postal Authority need a check digit?
Six postal-code digits; native Zint KOREAPOST adds the check digit. The engine computes or verifies it and names the expected digit on mismatch.
Is my data uploaded anywhere?
No. Encoding and verification run entirely in your browser — the page makes no network requests with your data, stores nothing, and wipes the field after ten idle minutes.
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