Oregon Zip Codes consist of five digits. These codes have been introduced by the United States Postal Service. Using a zip code is an efficient means to find a city in the state of Oregon. The state of Oregon houses 36 counties and each of the counties are identified by separate area codes.
Oregon Zip Codes start with 9 and other American states and regions having zip codes beginning with the digit 9 are American Samoa (AS), Alaska (AK), Guam (GU), California (CA), Hawaii (HI), Federated States of Micronesia (FM), Marshall Islands (MH), Northern Mariana Islands (MP), Washington (WA), and Palau (PW).
When you go through an Oregon Zip Codes map, you will easily find the highlighted cities with their zip codes and boundaries.