Write the recipient’s full name on the first line
Write the street address or P.O. box on the second line
Write the apartment, suite, or unit number if needed on the same line or the line above the city
Write the city, state or province, and ZIP or postal code on the next line
Write the country on the last line if mailing internationally
Write your return address in the upper left corner
Include your full name
Include your street address or P.O. box
Include your city, state or province, and ZIP or postal code
Place the postage stamp in the upper right corner
Make sure all address details are clear and legible
Use black or blue ink if writing by hand
Center the recipient address on the envelope if possible