How can I check the balance of an eGift Card? Gift Card Support January 02, 2019 19:16 Updated Follow To check the balance of your Williams Sonoma eGift Card, click here or call 1-800-846-9817. Related articles Who can I contact if I need assistance with my Williams Sonoma group gift? I started a group gift. How do I know when the people I invited make their contributions? Comments 0 comments Article is closed for comments.