Participants with questions should contact the Service Center at 877.644. To change contributions, add Roth or opt out of automatic enrollment, make the change through your online DCP account or contact 888-327-5596.Forms and Help. Forms. Help. If you have questions, contact Ohio Deferred Compensation. Need more information about deferred compensation plans? 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. Contact Lisa Benedetti at 440-442-2626 x204 for contact information for any of the above listed companies. Every step of the way.