1. Inquire about the balance through official channels: Open Wal-Mart official website, click "Inquire about the balance of Wal-Mart gift cards" in the lower right corner, and enter the number on the card as required to inquire about the balance in the card.
2. Check at the Wal-Mart cashier: consult at the Wal-Mart cashier, customer service center or card office.