CURRENT CUSTOMERS - PHONE SWAP
When you do a phone swap everything inside your Virgin Mobile account will be transferred to your new phone such as phone number, plan, minutes, and any balance in your account.
NEW CUSTOMERS - KEEP OLD NUMBER
► Yes, usually you can keep your old phone number when switching to Virgin Mobile.
See the following FAQ: http://virginmobileusa.custhelp.com/app/answers/detail/a_id/895