How to get the missing codes of Apple Gift Card?

If you can't read the code on the back of your card because it's scratched or damaged, Contact Apple Support.

Keep in mind, you might need to provide:

• An image of the full front and back of your card.
• A sales receipt showing when your card was purchased.
• The serial number from your card. 

Learn more ⇢ If you can't redeem your Apple Gift Card or App Store & iTunes Gift Card - Apple Support

Click here and ask Apple Support for assistance; supply them with the remaining characters.

The people on these boards are mostly other customers and won't know what the missing ones are.

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How can I get my apple gift card missing code

You have two knowledgeable users who offered advice to you.