How can I edit my postcode if it's wrong or has been changed? 01 October 2020 15:10 Updated To edit your postcode follow these steps: Tap the profile icon. Select My Profile. Select Edit from in the top right corner. Tap Update. Related articles My account has been removed. What do I do? How do I register on Dr. iQ ? The postcode I entered does not show the correct/exact address, what should I do? I have a learning difficulty, What can you provide as an alternative to the app? My account was rejected?