Postal codes in Omitama-shi, Ibaraki
茨城県小美玉市 — 54 postal codes. General code: 319-0100. Local government code 08236.
Address example
1-2-3 Iisaki, Omitama-shi, Ibaraki 311-3404, Japan
〒311-3404 茨城県小美玉市飯前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 |
|---|---|
| 319-0100 | (any other address in this municipality) （下に掲載がない場合） Omitama-shi, Ibaraki 319-0100, Japan |
| 311-3404 | Iisaki 飯前 Iisaki, Omitama-shi, Ibaraki 311-3404, Japan |
| 319-0122 | Edo 江戸 Edo, Omitama-shi, Ibaraki 319-0122, Japan |
| 319-0137 | Ozasa 大笹 Ozasa, Omitama-shi, Ibaraki 319-0137, Japan |
| 319-0126 | Oya 大谷 Oya, Omitama-shi, Ibaraki 319-0126, Japan |
| 311-3423 | Ogawa 小川 Ogawa, Omitama-shi, Ibaraki 311-3423, Japan |
| 319-0125 | Osono 小曽納 Osono, Omitama-shi, Ibaraki 319-0125, Japan |
| 319-0106 | Katakura 堅倉 Katakura, Omitama-shi, Ibaraki 319-0106, Japan |
| 311-3405 | Kamiai 上合 Kamiai, Omitama-shi, Ibaraki 311-3405, Japan |
| 311-3436 | Kamitamari 上玉里 Kamitamari, Omitama-shi, Ibaraki 311-3436, Japan |
| 319-0115 | Kamibaba 上馬場 Kamibaba, Omitama-shi, Ibaraki 319-0115, Japan |
| 311-3403 | Kamiyoshikage 上吉影 Kamiyoshikage, Omitama-shi, Ibaraki 311-3403, Japan |
| 311-3412 | Kawado 川戸 Kawado, Omitama-shi, Ibaraki 311-3412, Japan |
| 311-3431 | Kawanago 川中子 Kawanago, Omitama-shi, Ibaraki 311-3431, Japan |
| 311-3417 | Kurakazu 倉数 Kurakazu, Omitama-shi, Ibaraki 311-3417, Japan |
| 311-3434 | Kurimatashika 栗又四ケ Kurimatashika, Omitama-shi, Ibaraki 311-3434, Japan |
| 319-0107 | Koiwato 小岩戸 Koiwato, Omitama-shi, Ibaraki 319-0107, Japan |
| 311-3425 | Kobanawa 小塙 Kobanawa, Omitama-shi, Ibaraki 311-3425, Japan |
| 319-0102 | Saigochi 西郷地 Saigochi, Omitama-shi, Ibaraki 319-0102, Japan |
| 311-3402 | Sazai 佐才 Sazai, Omitama-shi, Ibaraki 311-3402, Japan |
| 319-0104 | Sanga 三箇 Sanga, Omitama-shi, Ibaraki 319-0104, Japan |
| 319-0103 | Shibataka 柴高 Shibataka, Omitama-shi, Ibaraki 319-0103, Japan |
| 311-3432 | Shimotamari 下玉里 Shimotamari, Omitama-shi, Ibaraki 311-3432, Japan |
| 311-3426 | Shimobaba 下馬場 Shimobaba, Omitama-shi, Ibaraki 311-3426, Japan |
| 311-3406 | Shimoyoshikage 下吉影 Shimoyoshikage, Omitama-shi, Ibaraki 311-3406, Japan |
| 311-3401 | Seraku 世楽 Seraku, Omitama-shi, Ibaraki 311-3401, Japan |
| 311-3433 | Takasaki 高崎 Takasaki, Omitama-shi, Ibaraki 311-3433, Japan |
| 319-0135 | Takada 高田 Takada, Omitama-shi, Ibaraki 319-0135, Japan |
| 311-3435 | Tagiya 田木谷 Tagiya, Omitama-shi, Ibaraki 311-3435, Japan |
| 319-0113 | Takehara 竹原 Takehara, Omitama-shi, Ibaraki 319-0113, Japan |
| 319-0112 | Takeharashimogo 竹原下郷 Takeharashimogo, Omitama-shi, Ibaraki 319-0112, Japan |
| 319-0114 | Takeharanakago 竹原中郷 Takeharanakago, Omitama-shi, Ibaraki 319-0114, Japan |
| 319-0105 | Tsuruta 鶴田 Tsuruta, Omitama-shi, Ibaraki 319-0105, Japan |
| 319-0136 | Tetsuzumi 手堤 Tetsuzumi, Omitama-shi, Ibaraki 319-0136, Japan |
| 319-0131 | Terazaki 寺崎 Terazaki, Omitama-shi, Ibaraki 319-0131, Japan |
| 311-3414 | Tonochi 外之内 Tonochi, Omitama-shi, Ibaraki 311-3414, Japan |
| 319-0116 | Nakadai 中台 Nakadai, Omitama-shi, Ibaraki 319-0116, Japan |
| 311-3422 | Nakanobe 中延 Nakanobe, Omitama-shi, Ibaraki 311-3422, Japan |
| 319-0111 | Nakanoya 中野谷 Nakanoya, Omitama-shi, Ibaraki 319-0111, Japan |
| 319-0134 | Noba 納場 Noba, Omitama-shi, Ibaraki 319-0134, Japan |
| 311-3411 | Noda 野田 Noda, Omitama-shi, Ibaraki 311-3411, Japan |
| 319-0121 | Hakari 羽刈 Hakari, Omitama-shi, Ibaraki 319-0121, Japan |
| 319-0101 | Hashibami 橋場美 Hashibami, Omitama-shi, Ibaraki 319-0101, Japan |
| 311-3424 | Hataya 幡谷 Hataya, Omitama-shi, Ibaraki 311-3424, Japan |
| 319-0123 | Hatori 羽鳥 Hatori, Omitama-shi, Ibaraki 319-0123, Japan |
| 319-0124 | Hananoi 花野井 Hananoi, Omitama-shi, Ibaraki 319-0124, Japan |
| 319-0133 | Harihoshi 張星 Harihoshi, Omitama-shi, Ibaraki 319-0133, Japan |
| 311-3437 | Higashitanaka 東田中 Higashitanaka, Omitama-shi, Ibaraki 311-3437, Japan |
| 311-3415 | Hyakuri 百里 Hyakuri, Omitama-shi, Ibaraki 311-3415, Japan |
| 319-0132 | Hemuro 部室 Hemuro, Omitama-shi, Ibaraki 319-0132, Japan |
| 319-0108 | Matsunochi 先後 Matsunochi, Omitama-shi, Ibaraki 319-0108, Japan |
| 311-3421 | Miyata 宮田 Miyata, Omitama-shi, Ibaraki 311-3421, Japan |
| 311-3413 | Yamano 山野 Yamano, Omitama-shi, Ibaraki 311-3413, Japan |
| 311-3416 | Yozawa 与沢 Yozawa, Omitama-shi, Ibaraki 311-3416, 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.