Postal codes in Koshi-shi, Kumamoto
熊本県合志市 — 12 postal codes. General code: 861-1100. Local government code 43216.
Address example
1-2-3 Aioi, Koshi-shi, Kumamoto 861-1101, Japan
〒861-1101 熊本県合志市合生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 |
|---|---|
| 861-1100 | (any other address in this municipality) （下に掲載がない場合） Koshi-shi, Kumamoto 861-1100, Japan |
| 861-1101 | Aioi 合生 Aioi, Koshi-shi, Kumamoto 861-1101, Japan |
| 861-1111 | Kaminosho 上庄 Kaminosho, Koshi-shi, Kumamoto 861-1111, Japan |
| 861-1112 | Kikudomi 幾久富 Kikudomi, Koshi-shi, Kumamoto 861-1112, Japan |
| 861-1113 | Sakae 栄 Sakae, Koshi-shi, Kumamoto 861-1113, Japan |
| 861-1102 | Suya 須屋 Suya, Koshi-shi, Kumamoto 861-1102, Japan |
| 861-1114 | Takaba 竹迫 Takaba, Koshi-shi, Kumamoto 861-1114, Japan |
| 861-1115 | Toyoka 豊岡 Toyoka, Koshi-shi, Kumamoto 861-1115, Japan |
| 861-1103 | Nonoshima 野々島 Nonoshima, Koshi-shi, Kumamoto 861-1103, Japan |
| 861-1116 | Fukuhara 福原 Fukuhara, Koshi-shi, Kumamoto 861-1116, Japan |
| 861-1104 | Miyoshi 御代志 Miyoshi, Koshi-shi, Kumamoto 861-1104, Japan |
| 861-1105 | Wabu 上生 Wabu, Koshi-shi, Kumamoto 861-1105, 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.