Write the recipient’s full name on the first line in the center of the envelope
Write the street address or P.O. Box on the second line
Write the apartment, suite, or unit number on the same line as the street address if needed
Write the city, state, and ZIP code on the third line
Write the return address in the top left corner
Write your full name on the first line of the return address
Write your street address on the second line of the return address
Write your city, state, and ZIP code on the third line of the return address
Place the postage stamp in the top right corner
Make sure all addresses are clear and easy to read
Use black or blue ink if writing by hand