Write the recipient’s full name on the first line
Write the street address 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 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 stamp in the top-right corner
Write clearly and use dark ink
Center the recipient’s address on the envelope
Use the correct postal format for the destination country