Postal codes in Rankoshi-cho, Isoya-gun, Hokkaido
北海道磯谷郡蘭越町 — 35 postal codes. General code: 048-1300. Local government code 01394.
Address example
1-2-3 Aioi, Rankoshi-cho, Isoya-gun, Hokkaido 048-1251, Japan
〒048-1251 北海道磯谷郡蘭越町相生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 |
|---|---|
| 048-1300 | (any other address in this municipality) （下に掲載がない場合） Rankoshi-cho, Isoya-gun, Hokkaido 048-1300, Japan |
| 048-1251 | Aioi 相生 Aioi, Rankoshi-cho, Isoya-gun, Hokkaido 048-1251, Japan |
| 048-1265 | Ayukawa 鮎川 Ayukawa, Rankoshi-cho, Isoya-gun, Hokkaido 048-1265, Japan |
| 048-1305 | Otani 大谷 Otani, Rankoshi-cho, Isoya-gun, Hokkaido 048-1305, Japan |
| 048-1316 | Omagari 大曲 Omagari, Rankoshi-cho, Isoya-gun, Hokkaido 048-1316, Japan |
| 048-1314 | Onari 御成 Onari, Rankoshi-cho, Isoya-gun, Hokkaido 048-1314, Japan |
| 048-1262 | Kaikawa 貝川 Kaikawa, Rankoshi-cho, Isoya-gun, Hokkaido 048-1262, Japan |
| 048-1313 | Kamisato 上里 Kamisato, Rankoshi-cho, Isoya-gun, Hokkaido 048-1313, Japan |
| 048-1254 | Kamimena 上目名 Kamimena, Rankoshi-cho, Isoya-gun, Hokkaido 048-1254, Japan |
| 048-1315 | Kyoei 共栄 Kyoei, Rankoshi-cho, Isoya-gun, Hokkaido 048-1315, Japan |
| 048-1323 | Kogane 黄金 Kogane, Rankoshi-cho, Isoya-gun, Hokkaido 048-1323, Japan |
| 048-1321 | Kombuonsen 昆布温泉 Kombuonsen, Rankoshi-cho, Isoya-gun, Hokkaido 048-1321, Japan |
| 048-1302 | Kombumachi 昆布町 Kombumachi, Rankoshi-cho, Isoya-gun, Hokkaido 048-1302, Japan |
| 048-1325 | Sakae 栄 Sakae, Rankoshi-cho, Isoya-gun, Hokkaido 048-1325, Japan |
| 048-1252 | Sanuki 讃岐 Sanuki, Rankoshi-cho, Isoya-gun, Hokkaido 048-1252, Japan |
| 048-1264 | Shimizu 清水 Shimizu, Rankoshi-cho, Isoya-gun, Hokkaido 048-1264, Japan |
| 048-1253 | Tashimo 田下 Tashimo, Rankoshi-cho, Isoya-gun, Hokkaido 048-1253, Japan |
| 048-1303 | Tachikawa 立川 Tachikawa, Rankoshi-cho, Isoya-gun, Hokkaido 048-1303, Japan |
| 048-1326 | Tomioka 富岡 Tomioka, Rankoshi-cho, Isoya-gun, Hokkaido 048-1326, Japan |
| 048-1324 | Toyokuni 豊国 Toyokuni, Rankoshi-cho, Isoya-gun, Hokkaido 048-1324, Japan |
| 048-1307 | Tonkara トンカラ Tonkara, Rankoshi-cho, Isoya-gun, Hokkaido 048-1307, Japan |
| 048-1307 | Nakomamachi 名駒町 Nakomamachi, Rankoshi-cho, Isoya-gun, Hokkaido 048-1307, Japan |
| 048-1327 | Niimi 新見 Niimi, Rankoshi-cho, Isoya-gun, Hokkaido 048-1327, Japan |
| 048-1316 | Hatsuta 初田 Hatsuta, Rankoshi-cho, Isoya-gun, Hokkaido 048-1316, Japan |
| 048-1322 | Hinode 日出 Hinode, Rankoshi-cho, Isoya-gun, Hokkaido 048-1322, Japan |
| 048-1312 | Hiyamizu 冷水 Hiyamizu, Rankoshi-cho, Isoya-gun, Hokkaido 048-1312, Japan |
| 048-1263 | Mikasa 三笠 Mikasa, Rankoshi-cho, Isoya-gun, Hokkaido 048-1263, Japan |
| 048-1304 | Mizukami 水上 Mizukami, Rankoshi-cho, Isoya-gun, Hokkaido 048-1304, Japan |
| 048-1312 | Mitsuwa 三和 Mitsuwa, Rankoshi-cho, Isoya-gun, Hokkaido 048-1312, Japan |
| 048-1341 | Minatomachi 港町 Minatomachi, Rankoshi-cho, Isoya-gun, Hokkaido 048-1341, Japan |
| 048-1261 | Menamachi 目名町 Menamachi, Rankoshi-cho, Isoya-gun, Hokkaido 048-1261, Japan |
| 048-1321 | Yunosato 湯里 Yunosato, Rankoshi-cho, Isoya-gun, Hokkaido 048-1321, Japan |
| 048-1311 | Yoshikuni 吉国 Yoshikuni, Rankoshi-cho, Isoya-gun, Hokkaido 048-1311, Japan |
| 048-1306 | Yodogawa 淀川 Yodogawa, Rankoshi-cho, Isoya-gun, Hokkaido 048-1306, Japan |
| 048-1301 | Rankoshimachi 蘭越町 Rankoshimachi, Rankoshi-cho, Isoya-gun, Hokkaido 048-1301, 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.