There might be a cost associated with contacting customer support by phone (+1-888-625-2848). While information online varies, some sources suggest it could be between
Here\’s the key takeaway: Recovering your account through Yahoo\’s standard process is free. If you need to reach out to customer support by phone, there might be a fee.
Source: https://feedback.azure.com/d365community/idea/36135774-1709-ef11-a73c-6045bd7e8707