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 or province, and ZIP or postal code on the third line
Write the country on the last line if mailing internationally
Place the recipient’s address in the center of the envelope
Write your return address in the top left corner
Include your full name on the first line of the return address
Include your street address on the second line of the return address
Include your city, state or province, and ZIP or postal 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 legible
Use uppercase letters if needed for readability
Check that the spelling and postal codes are correct