主要城市地区邮政编码
MarylandTennesseePennsylvaniaWest VirginiaDistrict of ColumbiaIndianaOregonUtahAlabamaIowaNorth DakotaWyomingFloridaMaineNebraskaNew HampshireConnecticutLouisianaMichiganSouth CarolinaArizonaNew MexicoNorth CarolinaSouth DakotaVirginiaMassachusettsNevadaMississippiOhioTexasWashingtonIdahoIllinoisOklahomaAlaskaNew JerseyWisconsinRhode IslandCaliforniaHawaiiMinnesotaColoradoMontanaDelawareNew YorkMissouriKentuckyVermontArkansasGeorgiaKansas
