Postal codes in Goka-machi, Sashima-gun, Ibaraki
茨城県猿島郡五霞町 — 16 postal codes. General code: 306-0300. Local government code 08542.
Address example
1-2-3 Egawa, Goka-machi, Sashima-gun, Ibaraki 306-0303, Japan
〒306-0303 茨城県猿島郡五霞町江川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 |
|---|---|
| 306-0300 | (any other address in this municipality) （下に掲載がない場合） Goka-machi, Sashima-gun, Ibaraki 306-0300, Japan |
| 306-0303 | Egawa 江川 Egawa, Goka-machi, Sashima-gun, Ibaraki 306-0303, Japan |
| 306-0311 | Ofukuda 大福田 Ofukuda, Goka-machi, Sashima-gun, Ibaraki 306-0311, Japan |
| 306-0314 | Kawatsuma 川妻 Kawatsuma, Goka-machi, Sashima-gun, Ibaraki 306-0314, Japan |
| 306-0304 | Koshu 幸主 Koshu, Goka-machi, Sashima-gun, Ibaraki 306-0304, Japan |
| 306-0308 | Gokamirai ごかみらい Gokamirai, Goka-machi, Sashima-gun, Ibaraki 306-0308, Japan |
| 306-0315 | Kotesashi 小手指 Kotesashi, Goka-machi, Sashima-gun, Ibaraki 306-0315, Japan |
| 306-0307 | Kofukuda 小福田 Kofukuda, Goka-machi, Sashima-gun, Ibaraki 306-0307, Japan |
| 306-0302 | Sanno 山王 Sanno, Goka-machi, Sashima-gun, Ibaraki 306-0302, Japan |
| 306-0301 | Sannoyama 山王山 Sannoyama, Goka-machi, Sashima-gun, Ibaraki 306-0301, Japan |
| 306-0316 | Shaka 釈迦 Shaka, Goka-machi, Sashima-gun, Ibaraki 306-0316, Japan |
| 306-0312 | Shinkoya 新幸谷 Shinkoya, Goka-machi, Sashima-gun, Ibaraki 306-0312, Japan |
| 306-0306 | Harajukudai 原宿台 Harajukudai, Goka-machi, Sashima-gun, Ibaraki 306-0306, Japan |
| 306-0305 | Fuyugi 冬木 Fuyugi, Goka-machi, Sashima-gun, Ibaraki 306-0305, Japan |
| 306-0317 | Maebayashi 前林 Maebayashi, Goka-machi, Sashima-gun, Ibaraki 306-0317, Japan |
| 306-0313 | Motokurihashi 元栗橋 Motokurihashi, Goka-machi, Sashima-gun, Ibaraki 306-0313, 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.