Federal Institute for Risk Assessment (BfR) states that Coumarin is a flavouring which is found in higher concentrations in the types of cinnamon grouped together under the name âcassia cinnamonâ.
If you contact customer service through the sales line, they will either transfer you to customer service or give you the general customer service phone number to call. Sales customer service: 1-866-866-7509. Sprint Customer Service: 1-800-211-4727. Nextel Customer Service: 1-800-639-6111.
PIN. 1  Your PIN is not going to be on any bill or invoice. 2  You can view or change your PIN from your online account. To learn how, click here for Sprint's step by step instructions. 3  If you do not have access to an online account, you can call Sprint ast 888-211-4727, *2 from your wireless phone, or visit a store.