Data Trace Publishing Company prides itself on extraordinary customer service. If you have any questions, problems, or concerns, please contact us. The Data Trace Publishing Company Customer Service Department hours of operation are Monday-Friday, 8:30 a.m. to 5:30 p.m. (Eastern Standard Time) PHONE: 1-800-342-0454 or (410) 494-4994 FAX: 1-410-494-0515 E-MAIL: customerservice@datatrace.com MAIL: Customer Service Department Data Trace Publishing Co. P.O. Box 1239 Brooklandville, MD 21022