Mã bưu chính Oregon (OR)
Hạt
36Baker County 11Benton County 8Clackamas County 26Clatsop County 7Columbia County 8Coos County 9Crook County 4Curry County 8Deschutes County 11Douglas County 26Gilliam County 3Grant County 10Harney County 9Hood River County 4Jackson County 15Jefferson County 5Josephine County 12Klamath County 18Lake County 9Lane County 37Lincoln County 16Linn County 16Malheur County 13Marion County 33Morrow County 5Multnomah County 56Polk County 7Sherman County 5Tillamook County 14Umatilla County 13Union County 7Wallowa County 5Wasco County 7Washington County 31Wheeler County 3Yamhill County 10