Maybe there will be a checksum digit. :) Given how rarely I enter contact information in manually, it doesn’t seem that unreasonable to have a larger phone numb

Maybe there will be a checksum digit. :) Given how rarely I enter contact information in manually, it doesn’t seem that unreasonable to have a larger phone number - nowadays it’s either clicking a link, opening a QR code, or copy pasting some text to make a new contact.