Contact the Middlesex County Office of Aging and Disabled Services at 732-745-3295 and ask to speak with someone in Information and Assistance. Upon your retirement, you will be required to complete a W–4P Form to begin a monthly federal tax withholding.Social Security benefits not included in your FAGI are considered income, except where a locality has opted to exclude them from income. You can get Part A at age 65 without having to pay premiums if: • You are already receiving retirement benefits from Social Security or the Railroad Retirement. Before you open a personal account with Middlesex Savings Bank in MA please read our Consumer Account Agreement. Contact us to learn more.