Anyone who uses A.T.M.'s to get cash knows that you usually pay a penalty for using a machine outside your own bank's network. A recent government report documents just how much those fees have increased in recent years.

Average A.T.M. surcharges — the fee a bank charges someone who is not a customer for using its machine — have increased by 20 percent over the last five years, a recent report from the Government Accountability Office finds.