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Japan Post Customer Barcode

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Japanese business mail often carries a short row of four-state bars under the address. It encodes the seven-digit postal code plus a block and building number, ending with a check character.

Also called Japanese Postal Customer Code, カスタマバーコード, Japan Post 4-state.

In this family

Specifications

StandardJapan Post 'Postal code & barcode manual'
Character setDigits, hyphen and control codes (letters via code combinations)
CapacityFixed 23 characters (69 bars): start, 7-digit postcode, 13-character address indicator, check, stop
Error correctionCheck character so that character values sum to a multiple of 19
Dimensionpostal

Where it is used

Japanese bulk mail sorting

People use it for japanese bulk mail sorting.

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Example

1540023316-4

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Related codes

Questions

What does the Japan Post barcode contain?

Japanese business mail often carries a short row of four-state bars under the address. The cited standard is Japan Post 'Postal code & barcode manual'. The camera app does not scan this. The Zebra app does not scan this.

How is the check character calculated?

The check rule is: Check character so that character values sum to a multiple of 19. When an app can scan the symbol, it returns the characters it read and does not label one of them as a check. The camera app does not scan this. The Zebra app does not scan this.

Can I scan it with a smartphone?

The camera app does not scan this. The Zebra app does not scan this.