Uonuma (魚沼市) is a city in Niigata Prefecture, Japan, with a population of approximately 34,876 as of May 2024. Known for its picturesque landscapes, the city is surrounded by mountains and rivers, making it a popular destination for nature enthusiasts. Uonuma is particularly famous for its high-quality Koshihikari rice, which is considered among the best in Japan. The city also features various hot springs and cultural festivals that attract tourists year-round. 


💻 Uonuma City Official Government Website

Districts and Postal Codes in Uonuma

Click on the district name for the complete Japanese address, the complete English address, how to write a Japanese address, the postal code, the map location, and more.

District Postal Code
Aoshima 〒946-0043
Akatsuchi 〒946-0224
Anazawa 〒946-0304
Ikedaira 〒946-0064
Izumisawa 〒946-0114
Isejima 〒946-0038
Itagi 〒946-0032
Inaricho 〒946-0002
Inokuchi Shinden 〒946-0076
Imaizumi 〒946-0051
Imozaya 〒946-0302
Uonoji 〒949-7423
Utsuno 〒946-0084
Uramachi 〒946-0012
Eguchi 〒946-0052
Oishi 〒949-7411
Oimogawa 〒946-0124
Oura 〒946-0033
Oura Shinden 〒946-0034
Okura 〒946-0226
Okurasawa 〒946-0223
Osawa 〒946-0073
Oshirakawa 〒946-0303
Ozuka Shinden 〒946-0004
Otochiyama 〒946-0305
Ohara Shinden 〒946-0215
Oyuonsen 〒946-0088
Okashinden 〒946-0036
Obiroo 〒946-0101
Oyagara 〒946-0108
Oritatemata Shinden 〒946-0086
Kanegasawa 〒946-0105
Kamioritate 〒946-0087
Kaminagatori Shinden 〒946-0211
Kamihara 〒946-0022
Ganzakashita 〒946-0107
Kuriyama 〒946-0104
Koidejima 〒946-0011
Koshimata 〒946-0125
Koshinden 〒946-0025
Kotenmyo 〒946-0121
Sanashi 〒946-0021
Shitagura 〒949-7401
Shibukawa 〒946-0203
Shimo Oritate 〒946-0085
Shimojima 〒949-7416
Shimoshinden 〒949-7417
Shindojima 〒949-7405
Shinbo 〒946-0061
Sugawa 〒946-0221
Suhara 〒946-0216
Suwacho 〒946-0003
Sodeyama 〒946-0102
Takakura 〒946-0201
Tagawa 〒949-7415
Takinomata 〒946-0103
Tagoya 〒946-0301
Tajiri 〒946-0112
Tado 〒949-7402
Tanaka 〒946-0106
Chuka 〒946-0063
Chushizawa 〒946-0065
Tokamachi 〒946-0035
Tokuda 〒949-7418
Nakajima 〒946-0057
Nakajima Shinden 〒946-0058
Nagatori 〒946-0212
Nakanoshima 〒946-0006
Nakahara 〒946-0024
Nagamatsu 〒946-0053
Nanokaichi 〒946-0071
Nanokaichi Shinden 〒946-0072
Namiyanagi 〒946-0111
Nishimyo 〒946-0204
Nishimyo Shinden 〒946-0206
Negoya 〒949-7403
Hara 〒949-7422
Haramushino 〒946-0031
Higashinaka 〒946-0113
Higashinomyo 〒946-0202
Hitoichi 〒946-0062
Himizo 〒946-0023
Hiranomata 〒946-0306
Hiwatashi Shinden 〒946-0001
Fukuda Shinden 〒946-0222
Fukuyama Shinden 〒946-0207
Hosono 〒946-0213
Horinouchi 〒949-7413
Honcho 〒946-0041
Matsukawa 〒946-0214
Mizusawa 〒946-0123
Mitsumata 〒946-0066
Minowada 〒946-0083
Mifuchisawa 〒946-0225
Miyatsubaki Shinden 〒946-0205
Myojin 〒949-7424
Mugurazawa 〒946-0081
Mushino 〒946-0037
Yanagihara 〒946-0042
Yamaguchi 〒946-0115
Yamada 〒946-0055
Yamadashita 〒946-0056
Yunotani Imogawa 〒946-0082
Yokocho 〒946-0005
Yokone 〒946-0307
Yogoro Shinden 〒949-7412
Yoshida 〒946-0075
Yoshimizu 〒949-7421
Yoshiwara 〒946-0122
Yokkamachi 〒946-0007
Yonezawa 〒946-0054
Ryuko 〒949-7404
Wada 〒946-0109
Wanagashima 〒949-7414

Start with the postal code, the prefecture, the city, the district, and then the number of the block and housing unit. Then end with the person’s name.
Here’s an example of how to write a Japanese address in English.
〒170-3293
Tokyo
Ginza, Chuo-ku
5-2-1
Mr. Taro Tanaka

For more information on how to write a Japanese address, see this article.


To type the Japanese postal code, first type the character code '3012.' Then press ALT + X and Japan's postal code symbol will appear.


To obtain an address in Uonuma for receiving mail, sign up for a virtual address service like MailMate. MailMate provides you with a mailing address for receiving Japanese mail and packages. MailMate can also be used for company registration in Uonuma, along with mail handling for Japanese properties (e.g., akiya, Airbnb, minpaku, etc.)


There are two types of PO boxes available in Uonuma. The first type of PO box is provided by Uonuma Post and is only available for individuals with a daily volume of mail. The second type of PO box is provided by private services with no limits on daily mail volume. Learn more about how to open a PO box in Japan.


To find various applications and forms for Uonuma Ward Office, check out this list


Japan Post offers Standard Mail for regular letters and small parcels, typically delivered in 2-3 days. Express Mail speeds this up to 1-2 days. Registered Mail adds tracking and insurance, requiring a signature on delivery. Yu-Pack handles larger parcels with tracking and insurance, delivered in 1-3 days. Letter Pack provides flat-rate options for documents and small items, with tracking available. EMS is for international express delivery, offering fast service to over 120 countries. Non-Standard Mail covers items exceeding standard size and weight limits. Private couriers like Yamato Transport's Takkyubin offer domestic and international parcel delivery with tracking. Sagawa Express provides similar services, including same-day delivery and refrigerated shipping. International couriers like DHL, FedEx, and UPS offer express delivery with tracking and insurance. Specialized services include Cool TA-Q-BIN for refrigerated items, Yu-Mail for books and CDs, and Smart Letter for small documents. These options cover varying needs for speed, cost, and security. For more information on international shipping options, check out this article.


To send mail or packages from Uonuma to your home country using Japan Post, costs vary based on the service type and parcel weight. For Airmail, rates range from ¥2,050 for a 1kg parcel to ¥64,850 for a 30kg parcel. Surface Mail is cheaper, starting at ¥1,800 for a 1kg parcel to ¥21,000 for a 30kg parcel, but it takes longer. Factors affecting costs include weight, distance, and chosen service. Discounted rates are available for bulk shipments. For detailed rates and more information, visit the article here.


For sending mail and packages from Uonuma via Japan Post, the weight limit is 30 kg for most services. The size restrictions include a maximum combined length and girth of 3 meters (300 cm). For smaller parcels, the combined length and girth should not exceed 2 meters (200 cm). Specific dimensions and weight limits may vary depending on the service chosen (Airmail, Surface Mail, etc.). For detailed information, refer to the article here.


To print an international parcel label for Japan Post, start by creating an account on Japan Post's International Mail My Page Service. Register both sender and recipient information, then select the desired shipping service, such as EMS or Airmail. Input the shipment details, including content description, shipping date, and parcel weight. After reviewing and confirming all entered information, use the provided printer icon to print the label. For more details, refer to this article.