Citibank Bank Account Or Service Complaint

Citibank Bank account or service department,

Savings account Account opening, closing, or management Massachusetts

I closed my accounts, both checking and saving, with Citi on -/-/- at a branch in -, but was notified on -/-/- that my saving account was still open and that there was some leftover fees. I believe this was a mistake which should have been handled properly on -/-/-.