主要城市地区邮政编码
IowaNevadaNew HampshireOklahomaArizonaNorth DakotaNew JerseySouth DakotaVermontDistrict of ColumbiaFloridaMaineMarylandRhode IslandColoradoIdahoIllinoisTexasWashingtonWisconsinAlabamaAlaskaMississippiPennsylvaniaLouisianaMissouriNorth CarolinaArkansasMontanaHawaiiConnecticutGeorgiaWyomingMichiganTennesseeIndianaVirginiaMassachusettsMinnesotaNebraskaKentuckyNew YorkCaliforniaDelawareKansasWest VirginiaSouth CarolinaUtahNew MexicoOhioOregon
