Write the recipient’s full name on the first line in the center
Write the street address or P.O. box on the second line
Write the apartment, suite, or unit number with the street address if needed
Write the city, state or province, and postal code on the third line
Write the country on the last line if sending 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
Write your street address on the second line of the return address
Write your city, state or province, and postal code on the third line of the return address
Place the postage stamp in the top right corner
Use clear, legible handwriting or printed text
Make sure all address details are complete and correct