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Japan Post

Terry Burton edited this page Feb 3, 2026 · 12 revisions

Japan Post 4 State Barcode

The Japan Post 4 state barcode symbology is used by the Japan Post service to encode the delivery point identifier on letter mail.

Also known as: Kasutama Barcode, Customer Barcode.

Standards: Japan Post Customer Barcode Technical Specification.

Data and Options

  • The data may contain any of the following characters:
    • Capital letters A-Z
    • Digits 0-9
    • Hyphen -

Examples

A delivery point identifier:

Data:    6540123789-A-K-Z
Options:
Encoder: japanpost


Symbologies Reference

Point of Sale

GS1 DataBar

Supply Chain

Two-dimensional Symbols

One-dimensional Symbols

Postal Symbols

Pharmaceutical Symbols

Less-used Symbols

GS1 Composite Symbols

Raw Symbols

Partial Symbols

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