Email Us Here! Name Email Address Message Message Submit . Address: Oleander Office Park 4020 Oleander Dr. Building B, Suite 104 Wilmington, NC 28403 Mailing Address: P.O. Box 3725 Wilmington, NC 28406 Phone: Office : (910) 399-6347 Fax : (910) 399-6362 Hours of Operation Monday – Friday 8:30am – 5:00pm David Hill & Associates, Inc. David Hill & Associates, Inc. 4020 Oleander Office Park II Suite 104 Wilmington, NC 28403 (910) 399-6347