Participants with questions should contact the Service Center at 877.644. Forms and Help. Forms. Help.If you have questions, contact Ohio Deferred Compensation. 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. Get the help you need​​ Call 877-644-6457 to talk to our Service Center if you need help updating your personal information. For further information, the employee should contact our Service Center at 877-644-6457 and press 3 to speak with an Account Executive. This document provides an introduction to the process and instructions to complete this Request for Proposal (RFP). Objectives.