Return Address A return address is required on most mail. The return address includes your name and full address.
Return Address Print or type your address in the upper left corner on the front of the envelope. Putting those addresses in the right locations on the envelope helps ensure fast and correct delivery.
Most labels make this easy by marking the locations with "From" and "To. All of the standard size envelopes will be listed, up to the large envelope size of 8. The return address goes in the top left corner, just like it does on smaller envelopes.
Photo Credits. Portrait Orientation When you mail large envelopes with the short ends on the top and bottom, the post office prefers the delivery address to be near the top of the envelope.
For some premium services, the post office requires you to use an official USPS mailing label with room for both addresses.