\u00a9 2021 wikiHow, Inc. All rights reserved. each represented company and/or its affiliates. If you buy the gift card online, however, the recipient may be asked to activate the card once it is received. How long after activation do I have to wait for the card to be usable? Step 1: Activate within 3 months of receiving the card by simply visiting www.universalgiftcard.com.au about Who Will Deliver in 2020? The customer service number is found on the back of your card. A customer service representative will ask for your card number, the security code and information that will confirm your identity. This image may not be used by other entities without the express written consent of wikiHow, Inc.