I’ll introduce a list of items that can be obtained from Apple Pay billing address.
When I used Apple Pay as a payment method in Shopify, the billing address didn’t include a phone number, so I investigated.
Referring to the article Apple Pay の請求先情報を更新する方法 - Apple サポート (日本), I checked the billing address and here’s what I found.
It appears that the billing address does not include a phone number.
Above, I investigated the list of items obtainable from Apple Pay billing address.
That’s all from the Gemba.