If your MidFirst Bank debit card has been lost, stolen, or has any unauthorized activity, contact us immediately at 888.MIDFIRST (888.643.3477). U.S. Bank ReliaCard –a prepaid card, not a credit card. are loaded directly on the card, and you can use the card just as you would a debit card. Please note that Bank of America customer service is not able to view anything more than what you can see on our website. For instance, we are unable to see.