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.
The toll-free phone number for customer service for Sprint is call 888-253-1315. You may also call them through your phone faster than using customer service. + 49 others found this useful.