ZIPCODES

A Zip Code is a series of numbers assigned to each delivery area in the United States and used by the Post Office to expedite the sorting and delivery of mail. Data are a graphic representation of Zip Code boundaries in Marin County, California.

邮政编码是一系列分配给美国每个投递区域的一组数字，由邮局用于加速邮件的分类和投递。数据是对加利福尼亚州马里恩县邮政编码边界的图形表示。