Postal codes in Saikai-shi, Nagasaki
長崎県西海市 — 71 postal codes. General code: 851-3500. Local government code 42212.
Address example
1-2-3 Oshimachouchiurachiku, Saikai-shi, Nagasaki 857-2402, Japan
〒857-2402 長崎県西海市大島町内浦地区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 |
|---|---|
| 851-3500 | (any other address in this municipality) （下に掲載がない場合） Saikai-shi, Nagasaki 851-3500, Japan |
| 857-2427 | (no town name; lot number follows the municipality) （町域名がなく番地が続く住所） Saikai-shi, Nagasaki 857-2427, Japan |
| 857-2402 | Oshimachouchiurachiku 大島町内浦地区 Oshimachouchiurachiku, Saikai-shi, Nagasaki 857-2402, Japan |
| 857-2426 | Oshimachoojima 大島町大島 Oshimachoojima, Saikai-shi, Nagasaki 857-2426, Japan |
| 857-2422 | Oshimachoodao 大島町太田尾 Oshimachoodao, Saikai-shi, Nagasaki 857-2422, Japan |
| 857-2401 | Oshimachokurose 大島町黒瀬 Oshimachokurose, Saikai-shi, Nagasaki 857-2401, Japan |
| 857-2424 | Oshimachoshioda 大島町塩田 Oshimachoshioda, Saikai-shi, Nagasaki 857-2424, Japan |
| 857-2425 | Oshimachotanora 大島町田浦 Oshimachotanora, Saikai-shi, Nagasaki 857-2425, Japan |
| 857-2405 | Oshimachochuochiku 大島町中央地区 Oshimachochuochiku, Saikai-shi, Nagasaki 857-2405, Japan |
| 857-2411 | Oshimachoterashima 大島町寺島 Oshimachoterashima, Saikai-shi, Nagasaki 857-2411, Japan |
| 857-2423 | Oshimachotono 大島町塔尾 Oshimachotono, Saikai-shi, Nagasaki 857-2423, Japan |
| 857-2418 | Oshimachotokuman 大島町徳万 Oshimachotokuman, Saikai-shi, Nagasaki 857-2418, Japan |
| 857-2421 | Oshimachonakato 大島町中戸 Oshimachonakato, Saikai-shi, Nagasaki 857-2421, Japan |
| 857-2419 | Oshimachohamaguri 大島町蛤 Oshimachohamaguri, Saikai-shi, Nagasaki 857-2419, Japan |
| 857-2403 | Oshimachomagome 大島町馬込 Oshimachomagome, Saikai-shi, Nagasaki 857-2403, Japan |
| 857-2412 | Oshimachomasago 大島町真砂 Oshimachomasago, Saikai-shi, Nagasaki 857-2412, Japan |
| 857-2413 | Oshimachomaze 大島町間瀬 Oshimachomaze, Saikai-shi, Nagasaki 857-2413, Japan |
| 857-2417 | Oshimachoyurigaoka 大島町百合が丘 Oshimachoyurigaoka, Saikai-shi, Nagasaki 857-2417, Japan |
| 857-2301 | Osetocho Setoitanorago 大瀬戸町瀬戸板浦郷 Osetocho Setoitanorago, Saikai-shi, Nagasaki 857-2301, Japan |
| 857-2302 | Osetocho Setokashinorago 大瀬戸町瀬戸樫浦郷 Osetocho Setokashinorago, Saikai-shi, Nagasaki 857-2302, Japan |
| 857-2304 | Osetocho Setoshitayamago 大瀬戸町瀬戸下山郷 Osetocho Setoshitayamago, Saikai-shi, Nagasaki 857-2304, Japan |
| 857-2303 | Osetocho Setonishihamago 大瀬戸町瀬戸西濱郷 Osetocho Setonishihamago, Saikai-shi, Nagasaki 857-2303, Japan |
| 857-2305 | Osetocho Setohadegawago 大瀬戸町瀬戸羽出川郷 Osetocho Setohadegawago, Saikai-shi, Nagasaki 857-2305, Japan |
| 857-2306 | Osetocho Setohigashihamago 大瀬戸町瀬戸東濱郷 Osetocho Setohigashihamago, Saikai-shi, Nagasaki 857-2306, Japan |
| 857-2307 | Osetocho Setofukushimago 大瀬戸町瀬戸福島郷 Osetocho Setofukushimago, Saikai-shi, Nagasaki 857-2307, Japan |
| 857-2312 | Osetocho Tairauchigo 大瀬戸町多以良内郷 Osetocho Tairauchigo, Saikai-shi, Nagasaki 857-2312, Japan |
| 857-2311 | Osetocho Tairasotogo 大瀬戸町多以良外郷 Osetocho Tairasotogo, Saikai-shi, Nagasaki 857-2311, Japan |
| 857-2531 | Osetocho Matsushimauchigo 大瀬戸町松島内郷 Osetocho Matsushimauchigo, Saikai-shi, Nagasaki 857-2531, Japan |
| 857-2532 | Osetocho Matsushimasotogo 大瀬戸町松島外郷 Osetocho Matsushimasotogo, Saikai-shi, Nagasaki 857-2532, Japan |
| 857-2324 | Osetocho Yukinoraokurago 大瀬戸町雪浦奥浦郷 Osetocho Yukinoraokurago, Saikai-shi, Nagasaki 857-2324, Japan |
| 857-2327 | Osetocho Yukinorakamigo 大瀬戸町雪浦上郷 Osetocho Yukinorakamigo, Saikai-shi, Nagasaki 857-2327, Japan |
| 857-2322 | Osetocho Yukinorakyuragigo 大瀬戸町雪浦久良木郷 Osetocho Yukinorakyuragigo, Saikai-shi, Nagasaki 857-2322, Japan |
| 857-2323 | Osetocho Yukinoragotsugo 大瀬戸町雪浦河通郷 Osetocho Yukinoragotsugo, Saikai-shi, Nagasaki 857-2323, Japan |
| 857-2321 | Osetocho Yukinorakobutsugo 大瀬戸町雪浦幸物郷 Osetocho Yukinorakobutsugo, Saikai-shi, Nagasaki 857-2321, Japan |
| 857-2325 | Osetocho Yukinorakomatsugo 大瀬戸町雪浦小松郷 Osetocho Yukinorakomatsugo, Saikai-shi, Nagasaki 857-2325, Japan |
| 857-2326 | Osetocho Yukinorashimogo 大瀬戸町雪浦下郷 Osetocho Yukinorashimogo, Saikai-shi, Nagasaki 857-2326, Japan |
| 857-2328 | Osetocho Yukinorashimonokamago 大瀬戸町雪浦下釜郷 Osetocho Yukinorashimonokamago, Saikai-shi, Nagasaki 857-2328, Japan |
| 851-3507 | Saikaicho Amakubogo 西海町天久保郷 Saikaicho Amakubogo, Saikai-shi, Nagasaki 851-3507, Japan |
| 851-3503 | Saikaicho Otaharago 西海町太田原郷 Saikaicho Otaharago, Saikai-shi, Nagasaki 851-3503, Japan |
| 851-3505 | Saikaicho Otawago 西海町太田和郷 Saikaicho Otawago, Saikai-shi, Nagasaki 851-3505, Japan |
| 851-3508 | Saikaicho Omodakago 西海町面高郷 Saikaicho Omodakago, Saikai-shi, Nagasaki 851-3508, Japan |
| 851-3502 | Saikaicho Kawachigo 西海町川内郷 Saikaicho Kawachigo, Saikai-shi, Nagasaki 851-3502, Japan |
| 851-3506 | Saikaicho Kurokuchigo 西海町黒口郷 Saikaicho Kurokuchigo, Saikai-shi, Nagasaki 851-3506, Japan |
| 851-3504 | Saikaicho Kobago 西海町木場郷 Saikaicho Kobago, Saikai-shi, Nagasaki 851-3504, Japan |
| 851-3501 | Saikaicho Tannogo 西海町丹納郷 Saikaicho Tannogo, Saikai-shi, Nagasaki 851-3501, Japan |
| 857-2222 | Saikaicho Nakaurakitago 西海町中浦北郷 Saikaicho Nakaurakitago, Saikai-shi, Nagasaki 857-2222, Japan |
| 857-2221 | Saikaicho Nakauraminamigo 西海町中浦南郷 Saikaicho Nakauraminamigo, Saikai-shi, Nagasaki 857-2221, Japan |
| 857-2223 | Saikaicho Nanatsugamago 西海町七釜郷 Saikaicho Nanatsugamago, Saikai-shi, Nagasaki 857-2223, Japan |
| 851-3511 | Saikaicho Mizunorago 西海町水浦郷 Saikaicho Mizunorago, Saikai-shi, Nagasaki 851-3511, Japan |
| 851-3509 | Saikaicho Yokosego 西海町横瀬郷 Saikaicho Yokosego, Saikai-shi, Nagasaki 851-3509, Japan |
| 857-3103 | Sakitocho Enoshima 崎戸町江島 Sakitocho Enoshima, Saikai-shi, Nagasaki 857-3103, Japan |
| 857-3101 | Sakitocho Kakinorago 崎戸町蠣浦郷 Sakitocho Kakinorago, Saikai-shi, Nagasaki 857-3101, Japan |
| 857-3311 | Sakitocho Hirashima 崎戸町平島 Sakitocho Hirashima, Saikai-shi, Nagasaki 857-3311, Japan |
| 857-3102 | Sakitocho Hongo 崎戸町本郷 Sakitocho Hongo, Saikai-shi, Nagasaki 857-3102, Japan |
| 851-3421 | Seihicho Inorago 西彼町伊ノ浦郷 Seihicho Inorago, Saikai-shi, Nagasaki 851-3421, Japan |
| 851-3424 | Seihicho Okushigo 西彼町大串郷 Seihicho Okushigo, Saikai-shi, Nagasaki 851-3424, Japan |
| 851-3313 | Seihicho Kazahayago 西彼町風早郷 Seihicho Kazahayago, Saikai-shi, Nagasaki 851-3313, Japan |
| 851-3304 | Seihicho Kamidakego 西彼町上岳郷 Seihicho Kamidakego, Saikai-shi, Nagasaki 851-3304, Japan |
| 851-3303 | Seihicho Kameurago 西彼町亀浦郷 Seihicho Kameurago, Saikai-shi, Nagasaki 851-3303, Japan |
| 851-3422 | Seihicho Komukaego 西彼町小迎郷 Seihicho Komukaego, Saikai-shi, Nagasaki 851-3422, Japan |
| 851-3305 | Seihicho Jikibago 西彼町喰場郷 Seihicho Jikibago, Saikai-shi, Nagasaki 851-3305, Japan |
| 851-3311 | Seihicho Shimotakego 西彼町下岳郷 Seihicho Shimotakego, Saikai-shi, Nagasaki 851-3311, Japan |
| 851-3314 | Seihicho Shiranitago 西彼町白似田郷 Seihicho Shiranitago, Saikai-shi, Nagasaki 851-3314, Japan |
| 851-3312 | Seihicho Shirosakigo 西彼町白崎郷 Seihicho Shirosakigo, Saikai-shi, Nagasaki 851-3312, Japan |
| 851-3306 | Seihicho Torikago 西彼町鳥加郷 川山 Seihicho Torikago, Saikai-shi, Nagasaki 851-3306, Japan |
| 851-3406 | Seihicho Torikago 西彼町鳥加郷 その他 Seihicho Torikago, Saikai-shi, Nagasaki 851-3406, Japan |
| 851-3302 | Seihicho Nakayamago 西彼町中山郷 Seihicho Nakayamago, Saikai-shi, Nagasaki 851-3302, Japan |
| 851-3315 | Seihicho Hirabarugo 西彼町平原郷 Seihicho Hirabarugo, Saikai-shi, Nagasaki 851-3315, Japan |
| 851-3425 | Seihicho Hirayamago 西彼町平山郷 Seihicho Hirayamago, Saikai-shi, Nagasaki 851-3425, Japan |
| 851-3301 | Seihicho Miyaurago 西彼町宮浦郷 Seihicho Miyaurago, Saikai-shi, Nagasaki 851-3301, Japan |
| 851-3423 | Seihicho Yakiharago 西彼町八木原郷 Seihicho Yakiharago, Saikai-shi, Nagasaki 851-3423, 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.