Dollar Bank customer are asked to check their accounts, especially if they've recently been to an ATM.
There are reports of skimming around the region.
The bank says they are working with police and they are inspecting ATM machines.
Skimming is a type of fraud where ATM machines are rigged with hidden recorded devices to gather PINs and other card information.
Anyone with concerns can call Dollar Bank at 1-800-245-2265.
