The most straightforward way to get a card is through the source itself:
Several major grocery chains sell Firehouse Subs gift cards. If you’re a Kroger shopper, you can even earn fuel points on your purchase: Firehouse Subs Gift Card | $15 to $500 where can i buy firehouse subs gift cards
You can order physical gift cards with various denominations on Amazon . The most straightforward way to get a card
Often carries physical cards in-store and online at Staples.com , though online orders may include a small secure shipping fee. 3. Grocery Stores where can i buy firehouse subs gift cards