1. Click the "Redeem" link in the "Quick Links" box of the iTunes Store
2. Type in the code, click "Redeem" and confirm "Redeem Prepaid Card"
Terms and Conditions:
Valid only on purchases from the US iTunes Store. Use requires an active iTunes account & prior acceptance of license & usage terms.
Delivery time: 1-10 Miniutes
Service type: Server
Submit to verify allowed: No
Cancellation allowed: No
Order processing: API