① The upper left corner is used to fill in the postal code of the recipient.

② Generally, there are three horizontal lines on the right side of postcards, and some have only two horizontal lines. The first two lines of these three horizontal lines: please fill in the address of the recipient in the first line and the name of the recipient in the second line.

Second, the sender information

① The third line on the right side of the postcard is used to fill in the sender's address information and name.

② Fill in the postal code of the sender's location in the lower right corner.

Third, the postcard message board. You can write blessings or other warm words to your relatives and friends.

Fourth, stick stamps. Buy a stamp, stick it in the upper right corner of the postcard and put it in the mailbox, so that relatives and friends can receive the postcard you sent in the future.

Extended data:

classify

1, classified by design form. The design form of postcards can attract people's attention and arouse the interest of collectors at all levels. Such as art postcards, book postcards and advertising postcards; Non-paper postal film, such as plastic pressed three-dimensional postcards, wooden postcards, etc.

2. According to the postage utility of postcards, there are local postage stamps, foreign postage stamps, international aviation, stamp value change, free, postage paid, pre-sale postage stamps and so on.

3. Thematic stamp collecting is classified according to the graphic content on postage postcards and named after the thematic name. If the pictures and texts have dance material, they are called dance postage films.

4. Postcards are divided into pure printed postcards and hand-painted postcards.