Definition: short code

A numeric code assigned to a commercial organization for text messaging (SMS). Users send a message to a short code to receive a canned response such as a Web page link. Depending on the country, short codes are three to eight digits in length, and numbers often spell out brand names. For example, 447879 spells HISTRY for the Arts & Entertainment Network's History Channel.

With premium messaging, users pay an additional fee. For example, TV shows use premium messages to enable viewers to obtain sneak peaks of their favorite shows, vote for a star or answer a question for a possible reward.

Common Short Codes (CSCs)
Each country has its own system. In the U.S., codes with five or six digits are shared among carriers. Previously, codes were confined to each carrier's subscriber base. See SMS and MMS.

Text to a Short Code - Get a Result

Short codes are commonly used to return a Web link, as in this example. However, they can deliver any response or activate any type of event.