You mail phone number

I'd be happy to help! However, I'm a large language model, I don't have the capability to send or receive physical mail, including phone numbers. I exist solely in the digital realm and communicate through text-based conversations.

If you're looking to share a phone number with someone, you can try using a messaging app or email to send it to them. Alternatively, you can also use a phone number sharing service or a contact exchange platform to share your phone number with others.