Welcome to School Supplies A to Z where you'll find all of your school supply, teaching supplies and classroom equipment from AtoZ! Discounted school supplies are our business, so shop with confidence! We accept all major credit cards; School and Government PURCHASE ORDERS can be faxed to: 623-321-6074. Have a question about school supplies? Call in your order toll free: 1-866-600-7467, Hours are M-Th 8:30-5, F 8:30-12 AZ time