Write the recipient’s name on the envelope front
Write the recipient’s street address on the next line
Add apartment/suite/unit number (if applicable) after the street address line
Write the city, state, and ZIP code on the next line
Add the country name (if sending internationally) on the line after the ZIP/postal code
Place the return address in the top-left corner
Write the return name on the first return-address line
Write the return street address on the next line
Add the return city, state, and ZIP code on the next line
Use a clear, legible font or handwriting
Use standard abbreviations for states (e.g., CA, NY) and ZIP codes as required
Ensure postage is placed in the top-right corner