flagstar credit card phone number
To avail assistance from the experts at Flagstar Mortgage, the given means for correspondence may be employed. 1  Personal Account Assistance - (888) 248-6423. 2  Business Banking Support - (888) 248-6423. 3  Loan Servicing - (800) 968-7700. 4  Loans Support - (800) 968-7700. 5  Home Loan Lending - (855) 372-5626.