Oregon ZIP Codes

US Postal Service Zone Improvement Plan (ZIP) Codes are used throughout the United States to improve mail delivery. There are 479 unique 5-digit ZIP Codes in Oregon...美国邮政服务（US Postal Service）的区域改进计划（Zone Improvement Plan，简称ZIP）编码（ZIP Codes）在全美范围内用于优化邮件投递流程。俄勒冈州共计拥有479个唯一的5位数字ZIP编码。