Designated cities
Postal/ZIP Codes in Niigata, Niigata (新潟市)
Postal/ZIP Codes in Nishikambara, Niigata (西蒲原郡)
Postal/ZIP Codes in Higashikambara, Niigata (東蒲原郡)
Postal/ZIP Codes in Iwafune, Niigata (岩船郡)
Postal/ZIP Codes in Kariwa, Niigata (刈羽郡)
Postal/ZIP Codes in Kitakambara, Niigata (北蒲原郡)
Postal/ZIP Codes in Minamikambara, Niigata (南蒲原郡)
Postal/ZIP Codes in Minamiuonuma, Niigata (南魚沼郡)
Postal/ZIP Codes in Nakauonuma, Niigata (中魚沼郡)
Postal/ZIP Codes in Santo, Niigata (三島郡)
Postal/ZIP Codes in Nagaoka (長岡市)
Postal/ZIP Codes in Joetsu (上越市)
Postal/ZIP Codes in Agano (阿賀野市)
Postal/ZIP Codes in Gosen (五泉市)
Postal/ZIP Codes in Itoigawa (糸魚川市)
Postal/ZIP Codes in Kamo (加茂市)
Postal/ZIP Codes in Kashiwazaki (柏崎市)
Postal/ZIP Codes in Minamiuonuma (南魚沼市)
Postal/ZIP Codes in Mitsuke (見附市)
Postal/ZIP Codes in Murakami (村上市)
Postal/ZIP Codes in Myoko (妙高市)
Postal/ZIP Codes in Ojiya (小千谷市)
Postal/ZIP Codes in Sado (佐渡市)
Postal/ZIP Codes in Tokamachi (十日町市)
Postal/ZIP Codes in Shibata (新発田市)
Postal/ZIP Codes in Tainai (胎内市)
Postal/ZIP Codes in Sanjo (三条市)
Postal/ZIP Codes in Uonuma (魚沼市)
Postal/ZIP Codes in Tsubame (燕市)