Regain Locked Hotmail Access

My Hotmail account is currently locked after Microsoft flagged an unusual number of log-in attempts. I still know the correct password and the phone number on file is active, yet every time I try to verify, the system tells me that method is unavailable… (Budget: $30 - $250 USD, Jobs: Account Management, Customer Service, Customer Support, Helpdesk, Microsoft, Technical Support, Troubleshooting)