Postal codes in Kyowa-cho, Iwanai-gun, Hokkaido
北海道岩内郡共和町 — 11 postal codes. General code: 048-2200. Local government code 01401.
Address example
1-2-3 Oikomi, Kyowa-cho, Iwanai-gun, Hokkaido 045-0032, Japan
〒045-0032 北海道岩内郡共和町老古美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 |
|---|---|
| 048-2200 | (any other address in this municipality) （下に掲載がない場合） Kyowa-cho, Iwanai-gun, Hokkaido 048-2200, Japan |
| 045-0032 | Oikomi 老古美 Oikomi, Kyowa-cho, Iwanai-gun, Hokkaido 045-0032, Japan |
| 048-2143 | Kunitomi 国富 Kunitomi, Kyowa-cho, Iwanai-gun, Hokkaido 048-2143, Japan |
| 048-2142 | Kozawa 小沢 Kozawa, Kyowa-cho, Iwanai-gun, Hokkaido 048-2142, Japan |
| 045-0122 | Hattari 発足 Hattari, Kyowa-cho, Iwanai-gun, Hokkaido 045-0122, Japan |
| 045-0121 | Horoni 幌似 Horoni, Kyowa-cho, Iwanai-gun, Hokkaido 045-0121, Japan |
| 048-2201 | Maeda 前田 Maeda, Kyowa-cho, Iwanai-gun, Hokkaido 048-2201, Japan |
| 048-2202 | Minamihoroni 南幌似 Minamihoroni, Kyowa-cho, Iwanai-gun, Hokkaido 048-2202, Japan |
| 045-0123 | Miyaoka 宮丘 Miyaoka, Kyowa-cho, Iwanai-gun, Hokkaido 045-0123, Japan |
| 045-0031 | Riyamunai 梨野舞納 Riyamunai, Kyowa-cho, Iwanai-gun, Hokkaido 045-0031, Japan |
| 048-2141 | Waisu ワイス Waisu, Kyowa-cho, Iwanai-gun, Hokkaido 048-2141, 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.