Primary member - your username is your member number.
(for example, if your member number is 1234, your username is 1234).
Spouse - your username is your member number and an S afterwards.
(for example, if your member number is 123, your username is 1234S).
Your last name is your password.
After logging in, you will be prompted to change your password to something more secure. You will also have the option to change your username.