All billing and account issues for in-app subscription accounts must be handled through the device's support platform. For example, if you created your subscription via an Amazon Fire Cube or Stick, you should contact Amazon for all billing and account inquiries.
Here are some links to assist you:
- Google Play (Android and SmartTVs) 855-836-3987 support.google Customer Care .com/googleplay/answer/7018481
- Amazon Customer Care (Fire and Kindle's) 888-280-4331 amazon.com/gp/help/customer/display.html?nodeId=201357590
If you are unable to find out how to manage your account for your device, please reach out to customer support via phone 9am-5pm PST, Monday through Friday at 1-844-446-5669 (1-844-4-HMK-NOW) or via email at firstname.lastname@example.org.