Search Great Lakes Bookstore How To Reach Us Address POBOX 321473 Flint, MI 48532 Phone (866)585-9576 Email support@greatlakesbookstore.com Great Lakes Bookstore Phone Extensions Select Option 1 for help with product lookup or help placing a phone order. Select Option 2 if you have placed an order and inquiring about the status of your order. Select Option 3 to be connected with our corporate ministry office. Call Now Email Support Open 24 Hours A Day Online!