Write the recipient’s name on the first line
Write the street address or PO box on the second line
Write the city, state or province, and postal code on the third line
Write the country on the last line for international mail
Place the address on the right side of the postcard
Leave the left side for your message
Put your return address in the top left corner if needed
Use clear, legible handwriting or printed text
Use the correct postage stamp in the top right corner