字幕列表 影片播放 列印英文字幕 How to Address an Envelope. Address an envelope correctly so it reaches its destination. You will need A pen An envelope A return address and the recipient's information. Step 1. Write the return address – the sender's address – at the top left corner of the envelope. Include the sender's full name on the first line, street address or post office box on the next line, and city, state, and five-digit zip code on the third line. Write legibly so that postal workers can read it. Step 2. Write the recipient's information in the center of the envelope. Write their name on the first line, street address or post office box on the second line, and city, state, and five-digit zip code on the third line. Adding the additional "plus-four" digits to the zip code, found at usps.com, will speed delivery. Step 3. Place the correct postage on the top right corner of the envelope and put the envelope in a mailbox. Did you know? The U.S. postal system processes an average of 667 million pieces of mail each day.