Friday: 8:00 a.m. to 5:00 p.m. EST Student Loans 1-800-762-1001 Monday – Friday: 8:00 a.m. to 5:00 p.m. EST Investments 1-800-622-7086 Monday – Friday: 8:00 a.m. to 6:00 p.m. EST Business Deposit Accounts 1-877-287-2654 Monday – Friday: 8:00 a.m. to 9:00 p.m. EST PNC Customer Service for International Customers Customer service is open during the following times: Monday to Friday: 8:00 a.m. to 9:00 p.m. EST Saturday and Sunday: 8:00 a.m. to 5:00 p.m. EST