Write the sender’s name and address (From) in the top-left corner
“From” format:
Your Name
Street Address
City, State/Province, ZIP/Postal Code
Country (if needed)
Write the recipient’s name and address (To) in the center (or slightly below center) of the envelope
“To” format:
Recipient Name
Company/Department (if applicable)
Street Address
City, State/Province, ZIP/Postal Code
Country (if needed)
If using “From” and “To” labels, place “From” near the sender block and “To” near the recipient block
Put the return address (From) on the envelope flap side (top-left) when applicable
Place stamps in the top-right corner
For international mail, put the destination country on the last line of the “To” address and the return country on the last line of the “From” address