This code is a five- or six-digit number that replaces a full-length telephone number in mobile marketing campaigns. Usually, they are an easy to remember number.
The short code number provided is a fixed authorized number so that users are able to send mass messages without being blocked by carriers as spam. We recommend that our users identify themselves within the message as this number will appear to the contact when a mass text is sent.
To find out what short code is on your account, you can click on the My Account "person" icon when you are on the Homepage or click the New Message button and see it displayed at the top of the phone preview example to the right of the message area.
New Message page:
Please note that the short code number on your account can also be found on the Keywords & Numbers page under the Learn More link.