Most people prefer to create emails without a phone number. Here are some reasons why they do this - end-to-end encryption, for an anonymous email account, 2FA authentication, etc.

Due to this reason lots of email platforms provide the service of creating email accounts without a phone number requirement. Here is a list of these platforms:

1. Tutanota
2. ProtonMail
3. Mailfence
4. Milbird
5. Gmail

Resource URL: https://emailspedia.com/10-emails-that-does-not-require-phone-number/