Place the recipient’s name on the first line
Write the street address or P.O. box on the second line
Write the city, state, and ZIP code on the third line
Write the return address in the top left corner
Place a stamp in the top right corner
Center the recipient’s address on the front of the envelope
Make sure all writing is clear and legible
Seal the envelope securely
Put the envelope in a mailbox or give it to the postal service