Postal codes in Fujioka-shi, Gumma
群馬県藤岡市 — 45 postal codes. General code: 375-0000. Local government code 10209.
Address example
1-2-3 Ayugawa, Fujioka-shi, Gumma 375-0042, Japan
〒375-0042 群馬県藤岡市鮎川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 |
|---|---|
| 375-0000 | (any other address in this municipality) （下に掲載がない場合） Fujioka-shi, Gumma 375-0000, Japan |
| 375-0042 | Ayugawa 鮎川 Ayugawa, Fujioka-shi, Gumma 375-0042, Japan |
| 375-0034 | Ushita 牛田 Ushita, Fujioka-shi, Gumma 375-0034, Japan |
| 375-0011 | Okanogo 岡之郷 Okanogo, Fujioka-shi, Gumma 375-0011, Japan |
| 370-1401 | Onishi 鬼石 Onishi, Fujioka-shi, Gumma 370-1401, Japan |
| 375-0045 | Kanai 金井 Kanai, Fujioka-shi, Gumma 375-0045, Japan |
| 375-0054 | Kamiozuka 上大塚 Kamiozuka, Fujioka-shi, Gumma 375-0054, Japan |
| 375-0057 | Kamiochiai 上落合 Kamiochiai, Fujioka-shi, Gumma 375-0057, Japan |
| 375-0016 | Kamikurisu 上栗須 Kamikurisu, Fujioka-shi, Gumma 375-0016, Japan |
| 375-0013 | Kamitozuka 上戸塚 Kamitozuka, Fujioka-shi, Gumma 375-0013, Japan |
| 375-0047 | Kamihino 上日野 Kamihino, Fujioka-shi, Gumma 375-0047, Japan |
| 375-0033 | Kawayoke 川除 Kawayoke, Fujioka-shi, Gumma 375-0033, Japan |
| 375-0021 | Kobayashi 小林 Kobayashi, Fujioka-shi, Gumma 375-0021, Japan |
| 370-1404 | Sakahara 坂原 Sakahara, Fujioka-shi, Gumma 370-1404, Japan |
| 370-1405 | Sambagawa 三波川 Sambagawa, Fujioka-shi, Gumma 370-1405, Japan |
| 375-0037 | Sambogi 三本木 Sambogi, Fujioka-shi, Gumma 375-0037, Japan |
| 375-0017 | Shinozuka 篠塚 Shinozuka, Fujioka-shi, Gumma 375-0017, Japan |
| 375-0052 | Shimoozuka 下大塚 Shimoozuka, Fujioka-shi, Gumma 375-0052, Japan |
| 375-0014 | Shimokurisu 下栗須 Shimokurisu, Fujioka-shi, Gumma 375-0014, Japan |
| 375-0012 | Shimotozuka 下戸塚 Shimotozuka, Fujioka-shi, Gumma 375-0012, Japan |
| 375-0046 | Shimohino 下日野 Shimohino, Fujioka-shi, Gumma 375-0046, Japan |
| 370-1406 | Joboji 浄法寺 Joboji, Fujioka-shi, Gumma 370-1406, Japan |
| 375-0055 | Shiroishi 白石 Shiroishi, Fujioka-shi, Gumma 375-0055, Japan |
| 375-0032 | Jinda 神田 Jinda, Fujioka-shi, Gumma 375-0032, Japan |
| 375-0036 | Takayama 高山 Takayama, Fujioka-shi, Gumma 375-0036, Japan |
| 375-0002 | Tatsuishi 立石 Tatsuishi, Fujioka-shi, Gumma 375-0002, Japan |
| 375-0003 | Tatsuishishinden 立石新田 Tatsuishishinden, Fujioka-shi, Gumma 375-0003, Japan |
| 375-0005 | Naka 中 Naka, Fujioka-shi, Gumma 375-0005, Japan |
| 375-0053 | Nakaozuka 中大塚 Nakaozuka, Fujioka-shi, Gumma 375-0053, Japan |
| 375-0015 | Nakakurisu 中栗須 Nakakurisu, Fujioka-shi, Gumma 375-0015, Japan |
| 375-0001 | Nakajima 中島 Nakajima, Fujioka-shi, Gumma 375-0001, Japan |
| 375-0044 | Nishihirai 西平井 Nishihirai, Fujioka-shi, Gumma 375-0044, Japan |
| 375-0022 | Negishi 根岸 Negishi, Fujioka-shi, Gumma 375-0022, Japan |
| 375-0043 | Higashihirai 東平井 Higashihirai, Fujioka-shi, Gumma 375-0043, Japan |
| 375-0024 | Fujioka 藤岡 Fujioka, Fujioka-shi, Gumma 375-0024, Japan |
| 375-0035 | Homi 保美 Homi, Fujioka-shi, Gumma 375-0035, Japan |
| 370-1403 | Hominoyama 保美濃山 Hominoyama, Fujioka-shi, Gumma 370-1403, Japan |
| 375-0023 | Hongo 本郷 Hongo, Fujioka-shi, Gumma 375-0023, Japan |
| 375-0056 | Mitsugi 三ツ木 Mitsugi, Fujioka-shi, Gumma 375-0056, Japan |
| 375-0041 | Midono 緑埜 Midono, Fujioka-shi, Gumma 375-0041, Japan |
| 375-0051 | Motoyurugido 本動堂 Motoyurugido, Fujioka-shi, Gumma 375-0051, Japan |
| 375-0004 | Mori 森 Mori, Fujioka-shi, Gumma 375-0004, Japan |
| 375-0006 | Morishinden 森新田 Morishinden, Fujioka-shi, Gumma 375-0006, Japan |
| 375-0031 | Yaba 矢場 Yaba, Fujioka-shi, Gumma 375-0031, Japan |
| 370-1402 | Yuzurihara 譲原 Yuzurihara, Fujioka-shi, Gumma 370-1402, 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.