Participants with questions should contact the Service Center at 877.644. Need more information about deferred compensation plans?Forms and Help. Forms. Help. Now is the time to GET STARTED. Your pension and your Ohio Deferred Compensation account are here to provide you with retirement income when you stop working. If you have questions, contact Ohio Deferred Compensation. For further information, the employee should contact our Service Center at 877-644-6457 and press 3 to speak with an Account Executive. Social Security Number. Address. Filing a form online is easier and faster than paper filing. It gives you a simple and personalized way to track your case online.