Postal codes in Koga-shi, Fukuoka
福岡県古賀市 — 32 postal codes. General code: 811-3100. Local government code 40223.
Address example
1-2-3 Aoyagi, Koga-shi, Fukuoka 811-3134, Japan
〒811-3134 福岡県古賀市青柳1-2-3
Replace 1-2-3 with the chome-ban-go (block and lot) number, and add the building and room number before it.
| Postal code | Town / English address |
|---|---|
| 811-3100 | (any other address in this municipality) （下に掲載がない場合） Koga-shi, Fukuoka 811-3100, Japan |
| 811-3134 | Aoyagi 青柳 Aoyagi, Koga-shi, Fukuoka 811-3134, Japan |
| 811-3133 | Aoyagimachi 青柳町 Aoyagimachi, Koga-shi, Fukuoka 811-3133, Japan |
| 811-3136 | Itogaura 糸ケ浦 Itogaura, Koga-shi, Fukuoka 811-3136, Japan |
| 811-3131 | Imazaike 今在家 Imazaike, Koga-shi, Fukuoka 811-3131, Japan |
| 811-3117 | Imanosho 今の庄 Imanosho, Koga-shi, Fukuoka 811-3117, Japan |
| 811-3102 | Ekihigashi 駅東 Ekihigashi, Koga-shi, Fukuoka 811-3102, Japan |
| 811-3135 | Odake 小竹 Odake, Koga-shi, Fukuoka 811-3135, Japan |
| 811-3126 | Oyamada 小山田 Oyamada, Koga-shi, Fukuoka 811-3126, Japan |
| 811-3104 | Kazurugaoka 花鶴丘 Kazurugaoka, Koga-shi, Fukuoka 811-3104, Japan |
| 811-3132 | Kawabaru 川原 Kawabaru, Koga-shi, Fukuoka 811-3132, Japan |
| 811-3115 | Kubo 久保 Kubo, Koga-shi, Fukuoka 811-3115, Japan |
| 811-3128 | Gemboen 玄望園 Gemboen, Koga-shi, Fukuoka 811-3128, Japan |
| 811-3137 | Koga 古賀 Koga, Koga-shi, Fukuoka 811-3137, Japan |
| 811-3122 | Komono 薦野 Komono, Koga-shi, Fukuoka 811-3122, Japan |
| 811-3105 | Shishibu 鹿部 Shishibu, Koga-shi, Fukuoka 811-3105, Japan |
| 811-3116 | Sho 庄 Sho, Koga-shi, Fukuoka 811-3116, Japan |
| 811-3118 | Shinkubo 新久保 Shinkubo, Koga-shi, Fukuoka 811-3118, Japan |
| 811-3127 | Shimbaru 新原 Shimbaru, Koga-shi, Fukuoka 811-3127, Japan |
| 811-3125 | Taniyama 谷山 Taniyama, Koga-shi, Fukuoka 811-3125, Japan |
| 811-3113 | Chidori 千鳥 Chidori, Koga-shi, Fukuoka 811-3113, Japan |
| 811-3103 | Chuo 中央 Chuo, Koga-shi, Fukuoka 811-3103, Japan |
| 811-3101 | Tenjin 天神 Tenjin, Koga-shi, Fukuoka 811-3101, Japan |
| 811-3123 | Netabi 米多比 Netabi, Koga-shi, Fukuoka 811-3123, Japan |
| 811-3112 | Hanami Higashi 花見東 Hanami Higashi, Koga-shi, Fukuoka 811-3112, Japan |
| 811-3111 | Hanami Minami 花見南 Hanami Minami, Koga-shi, Fukuoka 811-3111, Japan |
| 811-3106 | Hiyoshi 日吉 Hiyoshi, Koga-shi, Fukuoka 811-3106, Japan |
| 811-3114 | Mainosato 舞の里 Mainosato, Koga-shi, Fukuoka 811-3114, Japan |
| 811-3107 | Miake 美明 Miake, Koga-shi, Fukuoka 811-3107, Japan |
| 811-3119 | Misato 美郷 Misato, Koga-shi, Fukuoka 811-3119, Japan |
| 811-3121 | Mushirochi 筵内 Mushirochi, Koga-shi, Fukuoka 811-3121, Japan |
| 811-3124 | Yakuoji 薬王寺 Yakuoji, Koga-shi, Fukuoka 811-3124, Japan |
Source: Japan Post postal code data (UTF-8 edition, updated Aug 31, 2026) and romanized edition (KEN_ALL_ROME, June 2025). Japan Post does not claim copyright on postal code data and allows free redistribution. Romaji follows Japan Post (long vowels are not marked). * = romanized by this site from the kana reading because the town is not yet in the romanized edition.