Postal codes in Kikonai-cho, Kamiiso-gun, Hokkaido
北海道上磯郡木古内町 — 20 postal codes. General code: 049-0400. Local government code 01334.
Address example
1-2-3 Izumisawa, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0405, Japan
〒049-0405 北海道上磯郡木古内町泉沢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 |
|---|---|
| 049-0400 | (any other address in this municipality) （下に掲載がない場合） Kikonai-cho, Kamiiso-gun, Hokkaido 049-0400, Japan |
| 049-0405 | Izumisawa 泉沢 Izumisawa, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0405, Japan |
| 049-0454 | Uriya 瓜谷 Uriya, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0454, Japan |
| 049-0401 | Okamaya 大釜谷 Okamaya, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0401, Japan |
| 049-0453 | Okawa 大川 Okawa, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0453, Japan |
| 049-0412 | Ohira 大平 Ohira, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0412, Japan |
| 049-0402 | Omiyano 御宮野 Omiyano, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0402, Japan |
| 049-0403 | Kamaya 釜谷 Kamaya, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0403, Japan |
| 049-0404 | Kamekawa 亀川 Kamekawa, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0404, Japan |
| 049-0431 | Kikonai 木古内 Kikonai, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0431, Japan |
| 049-0408 | Koren 幸連 Koren, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0408, Japan |
| 049-0411 | Satsukari 札苅 Satsukari, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0411, Japan |
| 049-0451 | Shimmichi 新道 Shimmichi, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0451, Japan |
| 049-0452 | Tatekawa 建川 Tatekawa, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0452, Japan |
| 049-0455 | Tsuruoka 鶴岡 Tsuruoka, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0455, Japan |
| 049-0441 | Nakano 中野 Nakano, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0441, Japan |
| 049-0406 | Ninotai 二乃岱 Ninotai, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0406, Japan |
| 049-0407 | Hashikure 橋呉 Hashikure, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0407, Japan |
| 049-0422 | Honcho 本町 Honcho, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0422, Japan |
| 049-0421 | Maehama 前浜 Maehama, Kikonai-cho, Kamiiso-gun, Hokkaido 049-0421, 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.