A:Answer Yes, you can keep your existing number, but they will charge you a porting fee of about $20 to transfer your existing number to the Magicjack service. When you sign up for the service, they will assign you a temporary number, and when your existing number gets ported over, the temporary number goes away and you start using the ported number. You will have to contact them and make sure your number is eligible to be ported to Magicjack. It also takes about 7 - 10 days for the number to be ported over.