On your iPhone open settings:Click: - AppsThen, - MessagesTurn on send as text message. Click onRCS Messaging and turn it on and also turn on MMS Messaging. That should allow you to send texts to any phone.
Click on "My Account" in the upper right of any page and sign in.Once signed in, click on ProfileWhen you're in your profile, to the right you'll see a box marked Account Info The last line under Account Info is your account number. It will be hidde...