Write the recipient’s full name on the first line
Write the street address or house number and street name on the second line
Write the apartment, suite, or unit number on the same line if needed
Write the city, state or province, and postal code on the next line
Write the country on the last line for international mail
Use clear, legible capital letters if possible
Place the address in the center of the envelope or package
Include the return address in the top left corner
Use the correct postal code
Avoid abbreviations unless they are standard and widely accepted
Make sure the address is complete and accurate
Leave no extra spaces or missing details