To redeem your Netflix Gift Card: 1) Go to netflix.com/redeem. 2) Enter the PIN code from your receipt. If you already have a Netflix account, you can also enter this code on your Account page https://www.netflix.com/youraccount. The balance of your gift card will be added to your account and your next payment will be taken from the gift card balance.
You need to have USA account and USA Ip adress to redeem the key.