Write the recipient’s full 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
Write the recipient’s address in the center of the envelope
Use clear, legible handwriting or printed text
Use uppercase letters if you want the address to be easier to read
Include apartment, suite, or unit numbers on the street address line
Place the stamp in the top right corner
Make sure all address information is complete and accurate