Bank on the go with Citadel Mobile Banking! Citadel Mobile Banking is free and secure. With Citadel Mobile Banking you can do the following: - Check your account balances and history - Transfer funds - Make Deposits - Pay bills - Receive alerts and secure messages - Locate the closest branch office or ATM - Keep up to date with recent news and rates © Citadel 2012. Federally insured by NCUA. Equal Housing Lender.