How To Write Your Address For Mailing . Add the city, state, and zip code. If you're sending an item to an individual, make sure the person's full name or what they prefer to be called. 3 Ways to Write a Return Address wikiHow from www.wikihow.com In our example, it’s 71 cherry court. Put room, suite, and apartment numbers on the same line as the street address. Start the delivery address in the center of the envelope.