The ability to send a short message service (SMS) communication to a short code, which is a five-digit number, allows interaction with various services and applications. This interaction typically involves sending a specific keyword or command in the body of the text message to the designated short code. For example, a user might text “JOIN” to 12345 to subscribe to a specific alert service.
Engaging with these short codes provides a convenient method for accessing information, participating in promotions, making donations, or subscribing to updates. Historically, these systems have been widely used for mobile marketing campaigns, emergency alerts, and interactive television programs. The immediate response and widespread availability of text messaging contribute to the effectiveness of this communication method.