Comcast (Xfinity) does not sell traditional "Xfinity-branded" gift cards that can be purchased off a shelf at major retailers like Target . Instead, they use as promotional rewards for customers who sign up for specific plans or add lines.
If the person you are buying for uses , you can purchase Refill PINs to add time to their service. buy comcast gift card
Many people search for "Xfinity gift cards" because they are expecting a reward for a new service. Find an Xfinity Retail Store or Prepaid retailer buy comcast gift card
These are strictly for "Prepaid" customers and cannot be used for standard monthly contract bills. 4. Promotional Prepaid Cards (Incentives) buy comcast gift card