Postal codes in Tokai-mura, Naka-gun, Ibaraki
茨城県那珂郡東海村 — 19 postal codes. General code: 319-1100. Local government code 08341.
Address example
1-2-3 Ishigamiuchijuku, Tokai-mura, Naka-gun, Ibaraki 319-1102, Japan
〒319-1102 茨城県那珂郡東海村石神内宿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 |
|---|---|
| 319-1100 | (any other address in this municipality) （下に掲載がない場合） Tokai-mura, Naka-gun, Ibaraki 319-1100, Japan |
| 319-1102 | Ishigamiuchijuku 石神内宿 Ishigamiuchijuku, Tokai-mura, Naka-gun, Ibaraki 319-1102, Japan |
| 319-1101 | Ishigamitojuku 石神外宿 Ishigamitojuku, Tokai-mura, Naka-gun, Ibaraki 319-1101, Japan |
| 319-1119 | Oyamadai 大山台 Oyamadai, Tokai-mura, Naka-gun, Ibaraki 319-1119, Japan |
| 319-1104 | Kameshita 亀下 Kameshita, Tokai-mura, Naka-gun, Ibaraki 319-1104, Japan |
| 319-1106 | Shirakata 白方 Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1106, Japan |
| 319-1109 | Shirakatachuo 白方中央 Shirakatachuo, Tokai-mura, Naka-gun, Ibaraki 319-1109, Japan |
| 319-1114 | Suwama 須和間 Suwama, Tokai-mura, Naka-gun, Ibaraki 319-1114, Japan |
| 319-1103 | Takegawara 竹瓦 Takegawara, Tokai-mura, Naka-gun, Ibaraki 319-1103, Japan |
| 319-1113 | Terunuma 照沼 Terunuma, Tokai-mura, Naka-gun, Ibaraki 319-1113, Japan |
| 319-1117 | Tokai 東海 Tokai, Tokai-mura, Naka-gun, Ibaraki 319-1117, Japan |
| 319-1105 | Toyoka 豊岡 Toyoka, Tokai-mura, Naka-gun, Ibaraki 319-1105, Japan |
| 319-1107 | Toyoshiro 豊白 Toyoshiro, Tokai-mura, Naka-gun, Ibaraki 319-1107, Japan |
| 319-1111 | Funaishikawa 舟石川 Funaishikawa, Tokai-mura, Naka-gun, Ibaraki 319-1111, Japan |
| 319-1116 | Funaishikawaekinishi 舟石川駅西 Funaishikawaekinishi, Tokai-mura, Naka-gun, Ibaraki 319-1116, Japan |
| 319-1118 | Funaishikawaekihigashi 舟石川駅東 Funaishikawaekihigashi, Tokai-mura, Naka-gun, Ibaraki 319-1118, Japan |
| 319-1115 | Funaba 船場 Funaba, Tokai-mura, Naka-gun, Ibaraki 319-1115, Japan |
| 319-1112 | Muramatsu 村松 Muramatsu, Tokai-mura, Naka-gun, Ibaraki 319-1112, Japan |
| 319-1108 | Muramatsukita 村松北 Muramatsukita, Tokai-mura, Naka-gun, Ibaraki 319-1108, 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.