You may be charged a fee by the financial institution that owns the ATM. The ATM will usually notify you of this fee before you make your transaction, and will ask you to confirm your acceptance of this fee before completing your transaction. Mango may also charge a usage fee for ATM withdrawals and a % of your transaction for ATMs outside of the continental U.S. The Mango usage fee is to cover charges made by the financial institution that operates the ATM.
A complete listing of fees can be found here: