Short codes, also known as short numbers, are abbreviated phone numbers that are easy to remember and use. They are commonly used by businesses and organizations for marketing campaigns, customer support, or voting and polling processes. Some synonyms for the term short code include shortcode, SMS shortcode, text message shortcode, SMS number, and SMS code. These terms all refer to the same concept of a shortened telephone number that can be used to conduct various types of communication via text message. Using a short code can be a great way to increase engagement and interaction in various industries and activities.