If you encounter a problem / issue with your Amazon Kindle Fire Tablet and would like support from Amazon then the following support resources are available:
US Phone Support: 1-866-321-8851 (Toll Free)
International Phone: 1-206-266-0927 (Charges Do Apply)
Kindle Fire Forum: Fire Support Forum
Kindle Fire Help Docs: Help Docs
In addition, you can register your query with Amazon @ Amazon Kindle Fire Tech Support and have them call / email you back directly. A login is required for this.