Iphone help, number isn't showing up on imessage?

I just got an iphone but it's only my email showing up on other peoples' phones for imessage, and when go to send & receive there isn't an option for my number? How do I get my number to send instead?

You can use email or phone # as identifier to the phone, ipad, ipod… Thats why ipads can send text messages even without a phone plan. In your settings there's an area that says receive at… That has your email in there, you can change it to your phone number instead.

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