You can post your address change request here by this form : https://goo.gl/forms/0wGOHA2zAt3u21MC2

It will appear in this sheet : https://docs.google.com/spreadsheets/d/1fpW3UHwvyshKMrNCHHy0SHtwYAWyzGbVgGJKKpISV68/edit#gid=1122468162

You can check status again your request as well.