TELLY the Teller Access accounts at the touch of a button with TELLY - our 24/7 telephone teller service. • Account/balance inquiries• Verify cleared checks• Transfer funds between account• And more! (276) 632-1679 • (540) 483-0018 • (800) 475-MDCU, dial extension "5" to access TELLY. To sign up, or for instructions call us at (276) 632-1679 or (540) 483-0018 or (800) 475-MDCU, extension 0.