Workbook Answer Keys If you need an answer key for a workbook, please contact support and we will help you get the correct answer key. Technical Support Support Hours Mon-Thurs 8 a.m. to 5 p.m. (EST) Fridays 8 a.m. to 4:30 p.m. (EST) 616-402-1262 phone support@schoolzone.com * Assistance Currently Only Available in English