主要城市地区邮政编码
DelawareIllinoisNebraskaWyomingKansasMichiganNorth CarolinaIowaMaineMinnesotaTennesseeUtahAlaskaOhioNew JerseyColoradoDistrict of ColumbiaMarylandMontanaPennsylvaniaVirginiaGeorgiaAlabamaCaliforniaConnecticutWest VirginiaHawaiiIndianaMissouriOregonVermontWashingtonNew MexicoWisconsinLouisianaMississippiSouth DakotaIdahoKentuckyNew YorkTexasArizonaSouth CarolinaNevadaNorth DakotaMassachusettsOklahomaArkansasFloridaNew HampshireRhode Island