รหัสไปรษณีย์Wyoming (WY)
เขต
23Albany County 11Big Horn County 12Campbell County 7Carbon County 12Converse County 4Crook County 7Fremont County 13Goshen County 9Hot Springs County 2Johnson County 4Laramie County 17Lincoln County 16Natrona County 14Niobrara County 4Park County 7Platte County 5Sheridan County 12Sublette County 6Sweetwater County 12Teton County 8Uinta County 7Washakie County 2Weston County 4