The four-digit number that identifies a listed company
Every company listed in Japan carries a four-digit code. Names can look alike but codes never overlap, so ordering or searching by number is the safer route. Ranges of numbers roughly follow industry, and codes containing letters have appeared in recent years. A code from a delisted company is not reused for some time.
Toyota Motor is 7203 and Sony Group is 6758.
For learning, not investment advice. Decisions are your own.
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