Accessing Your Accounts Gateway Bank will issue a NetTeller ID and PIN, then you will be ready to begin. Enter your NetTeller ID and PIN and select “Login”. You will be prompted to change your password after your first login. Passwords must be 6-8 alphanumeric characters. For security purposes, after 3 invalid login attempts you will be locked out of the system. Please contact Gateway Bank at 651-209-4800 during business hours to unlock your account.