Yes, it is possible for an Amazon account to be locked if it has been inactive for a long time. The best option to reactivate the account is to call Amazon's customer service hotline. They will be able to assist you in unlocking your account and provide you with the necessary steps to reactivate it.
However, if you are unable to call the hotline or if you prefer to explore other options, you may try the following:
1. Send an email to Amazon's customer service and explain your situation. Provide as much information as possible, including your account details and the reason why you have not used the account for a long time.
2. Try resetting your account password. You can do this by clicking on the "Forgot Password" link on the login page and following the instructions.
3. Check your email inbox for any messages from Amazon regarding your account. There may be some important information or instructions there that can help you reactivate your account.
If all else fails, calling Amazon's customer service hotline is still the best option to get your account reactivated as quickly as possible.