主要城市地区邮政编码
MarylandNorth CarolinaWyomingIndianaMaineArizonaHawaiiRhode IslandVirginiaAlabamaOhioPennsylvaniaWisconsinIdahoGeorgiaNew JerseyOklahomaKentuckyMichiganMontanaNevadaNew MexicoCaliforniaSouth DakotaSouth CarolinaDelawareKansasMassachusettsWashingtonColoradoNew HampshireIllinoisMissouriNebraskaOregonWest VirginiaMississippiMinnesotaNew YorkNorth DakotaTennesseeLouisianaArkansasIowaTexasAlaskaConnecticutFloridaUtahVermontDistrict of Columbia