How To Write Your Address When Living In A Dorm . Also do not use your.edu email address on your resume. Remember to add a comma after the street address when you address a letter to an apartment. How to Create the Dorm Room of Your Dreams Tips + Tricks to Create a from www.pinterest.com Remember to add a comma after the street address when you address a letter to an apartment. If im living in high rise 5, what would my postal address be? American university freshman hall #100.