Short code
A short code fits in a few digits, reserved for services, and is used notably for unsubscriptions and reports.
In brief
A short code fits in a few digits, reserved for services, and is used notably for unsubscriptions and reports.
Going deeper
A short code lines up four to six digits where a classic line has ten. Assigned to services and not to individuals, it serves as much to collect replies as to broadcast service messages.
In France, it forms the backbone of the professional SMS ecosystem: it gives the recipient the option to reply STOP to remove themselves from a list, and 33700 plays the role of national reporting service for unwanted SMS there.
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