Facebook is circulating a free 200.00 giftcard from Belk

Check Your Visa Gift Card Balance

Visa https://www.visa.ca > en_CA > support > consumer

Learn how to check our Visa gift card balance, activate your card, and use your card for special transactions.

Check Balance

Giftcards.com https://www.giftcards.com > balance

Quickly find your card balance for a Giftcards.com Visa gift card, Mastercard gift card, or any major retail gift card. To check your card balance you'll ...

If you don't already have one, you need to have an iTunes account and log in to it. You can then redeem giftcards and access the iTunes store.

Login to your facebook account and click on Redeem

don't think you can do that

On the Facebook support page, almost down left you see Apps, Games and games payment. Click there and look how to solve your problem.
Facebook Help Center Facebook

Join a lot of stuff groups blogs anything

See this... https://en-gb.facebook.com/help/210241279016563 and click on "contact us" if it fails.

I have used one of those particular cards, but other cards I've used have instructions on the card. See if yours does and follow them!

Try Amazon: http://www.amazon.co.uk

you will need to speak to whom ever you bought the giftcard from