Postal codes in Oki-machi, Mizuma-gun, Fukuoka
福岡県三潴郡大木町 — 19 postal codes. General code: 830-0400. Local government code 40522.
Address example
1-2-3 Ikadamizo, Oki-machi, Mizuma-gun, Fukuoka 830-0425, Japan
〒830-0425 福岡県三潴郡大木町筏溝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 |
|---|---|
| 830-0400 | (any other address in this municipality) （下に掲載がない場合） Oki-machi, Mizuma-gun, Fukuoka 830-0400, Japan |
| 830-0425 | Ikadamizo 筏溝 Ikadamizo, Oki-machi, Mizuma-gun, Fukuoka 830-0425, Japan |
| 830-0415 | Egekoga 絵下古賀 Egekoga, Oki-machi, Mizuma-gun, Fukuoka 830-0415, Japan |
| 830-0403 | Ozumi 大角 Ozumi, Oki-machi, Mizuma-gun, Fukuoka 830-0403, Japan |
| 830-0423 | Oyabu 大藪 Oyabu, Oki-machi, Mizuma-gun, Fukuoka 830-0423, Japan |
| 830-0421 | Okumuta 奥牟田 Okumuta, Oki-machi, Mizuma-gun, Fukuoka 830-0421, Japan |
| 830-0414 | Kamikisaki 上木佐木 Kamikisaki, Oki-machi, Mizuma-gun, Fukuoka 830-0414, Japan |
| 830-0404 | Kamishirakaki 上白垣 Kamishirakaki, Oki-machi, Mizuma-gun, Fukuoka 830-0404, Japan |
| 830-0417 | Kamihachiin 上八院 Kamihachiin, Oki-machi, Mizuma-gun, Fukuoka 830-0417, Japan |
| 830-0413 | Kamimutaguchi 上牟田口 Kamimutaguchi, Oki-machi, Mizuma-gun, Fukuoka 830-0413, Japan |
| 830-0401 | Sasabuchi 笹渕 Sasabuchi, Oki-machi, Mizuma-gun, Fukuoka 830-0401, Japan |
| 830-0412 | Samuraijima 侍島 Samuraijima, Oki-machi, Mizuma-gun, Fukuoka 830-0412, Japan |
| 830-0422 | Takahashi 高橋 Takahashi, Oki-machi, Mizuma-gun, Fukuoka 830-0422, Japan |
| 830-0416 | Hatchomuta 八町牟田 Hatchomuta, Oki-machi, Mizuma-gun, Fukuoka 830-0416, Japan |
| 830-0411 | Hiruike 蛭池 Hiruike, Oki-machi, Mizuma-gun, Fukuoka 830-0411, Japan |
| 830-0402 | Fukudo 福土 Fukudo, Oki-machi, Mizuma-gun, Fukuoka 830-0402, Japan |
| 830-0406 | Maemuta 前牟田 Maemuta, Oki-machi, Mizuma-gun, Fukuoka 830-0406, Japan |
| 830-0424 | Miyamatsu 三八松 Miyamatsu, Oki-machi, Mizuma-gun, Fukuoka 830-0424, Japan |
| 830-0405 | Yokomizo 横溝 Yokomizo, Oki-machi, Mizuma-gun, Fukuoka 830-0405, 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.