How To Write A Letter To Your Congressman Example . It also doesn't hurt to mention if you voted for or donated to them. But when you become a citizen, please let me know and then i can at least pretend to listen and pretend to have any power. Letter Format To Congressman Sample Congressional Letter pertaining to from www.pinterest.com Address the congressman by name—start the email with dear congressman / congresswoman [last name]. Complete the body of your letter explaining what action you want the congressional representative to take, and provide evidence explaining why this is significant or important. Say why you are writing and who you are.