First mention the name of the destination post office or suburb. Also include the correct state or territory abbreviation after leaving a space. Here are the · Addressing your letter. Download the article. 1. Seal your letter in an envelope. Fold the paper in thirds, horizontally. Write the recipient's address lightly centered on the bottom half of the envelope. Place the stamp in the upper right corner. There are two addresses that are. The most professional way to write an address is to use US Mail's guidelines. Write the address correctly on the envelope. Learn why it's important to properly address an envelope or package, as well as steps to address an envelope and examples of what to write on an envelope. This free guide taught you how to address an envelope in three simple steps: Step One: Write the return address in the upper left corner. Step Two: Write the recipient's address in the center of the envelope. Step Three: Place a valid stamp in the upper right corner.2. Put only the couple's titles and last name for a bold look. If you don't want to write the couple's first names, write their titles and, 1. In the upper right corner FRONT, add your stamp or postage. 2. On the FRONT, write the recipient's name in the center and middle of the envelope. Use the name as an anchor from which you: First, write the first and last name of the nursing home resident you are writing to. Prefix it with “M.” or “Ms.” On the next line, on the right “Care of” or “co followed by the name of the nursing home. The full address of the retirement home must appear on the lines immediately following. Write the recipient's address in the center of the envelope. Although there are several similarities, the proper address formatting on an envelope varies somewhat depending on whether you are sending the letter to the United States, France, the United Kingdom, or elsewhere. For example, in the United States, write the following in the center of the envelope. : name of recipient MR.