Sign in to the management console at [Your network name].zellowork.com.
Password: [Your password]
Tip: Invoices contain the network name under Account Information: ZC::[network name]
Under Payment Settings click on Modify Payment Settings.
Once you have entered your new credit card information, hit "Save".
That was easy!
If your credit card information does not save, please contact firstname.lastname@example.org for assistance.