Please send an email to firstname.lastname@example.org from the same email address you used to sign up with your updated login information. Updating your billing information may require you to reach out to the billing company that processed your original payment:
US Toll Free: 1-(800)-893-8871
Int. Tel.: 1-(310)-664-5810
Int. Tel.: +31 20 5315777
Note: If you do not know which billing processor was used during your transaction, please refer to your membership confirmation email.