Oyama (小山市) is a city located in Tochigi Prefecture, Japan, with a population of approximately 166,283 as of May 2023. The city is a key transportation hub, served by major railways and expressways, facilitating regional connectivity. Oyama is known for its rich cultural heritage, including historical sites such as the Oyama Gion Festival and the restored Edo-period Nitta Shrine. The city promotes community development and sustainability, with initiatives to enhance living standards and environmental conservation. 

💻 Oyama City Official Government Website

Districts and Postal Codes in Oyama

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
Akatsuki 〒329-0211
Ajito 〒329-0215
Amagaya 〒323-0826
Amagaya Shinden 〒323-0824
Amagayacho 〒323-0831
Arai 〒323-0013
Arakawa 〒323-0006
Awanomiya 〒329-0201
Izuka 〒323-0017
Ioka 〒323-0054
Ikoma 〒323-0051
Ishinoue 〒323-0045
Idei 〒323-0808
Inabago 〒323-0021
Inuzuka 〒323-0811
Imazato 〒323-0067
Utsukushigaoka 〒329-0207
Ekihigashidori 〒323-0022
Ekiminamicho 〒323-0822
Okawashima 〒323-0058
Omoto 〒323-0009
Oshikiri 〒329-0228
Otome 〒329-0214
Oyake 〒323-0001
Oyama 〒323-0825
Kagami 〒329-0229
Kamiishizuka 〒323-0063
Kamiizumi 〒323-0056
Kamikozuka 〒323-0066
Kaminamai 〒329-0222
Kamihatsuda 〒323-0069
Kamiyama 〒323-0828
Kayabashi 〒323-0804
Kizawa 〒323-0014
Kitaida 〒323-0803
Kira 〒329-0221
Kuromoto 〒323-0002
Kozusuri 〒323-0008
Kobukuro 〒323-0053
Samukawa 〒329-0226
Sanbaikawagishi 〒323-0015
Shiozawa 〒323-0043
Shibui 〒323-0005
Shimada 〒323-0004
Shimoishizuka 〒323-0064
Shimoizumi 〒323-0055
Shimokawarada 〒323-0052
Shimokozuka 〒323-0065
Shimonamai 〒329-0223
Shimohatsuda 〒323-0068
Josai 〒323-0060
Joto 〒323-0807
Johoku 〒323-0029
Shiratori 〒329-0224
Shiroyamacho 〒323-0025
Shinmeicho 〒323-0033
Sendazuka 〒329-0202
Soshima 〒323-0061
Daigyoji 〒323-0041
Takahashi 〒323-0154
Tagawa 〒323-0151
Takei 〒323-0815
Tatsugi 〒323-0062
Tama 〒323-0814
Chuocho 〒323-0023
Tsukazaki 〒323-0818
Tenjincho 〒323-0032
Tojo 〒323-0042
Doto 〒323-0812
Nakagawara 〒323-0157
Nakakuki 〒323-0806
Nakazato 〒329-0227
Nakajima 〒323-0156
Naranoki 〒329-0216
Nishikuroda 〒329-0203
Nishijonan 〒323-0820
Nobushima 〒323-0152
Nobushima Shinden 〒323-0153
Hagishima 〒323-0046
Hasamada 〒329-0225
Hachigata 〒323-0801
Hanagakicho 〒323-0027
Hanekawa 〒323-0012
Higashi Kuroda 〒329-0204
Higashi Shimada 〒323-0003
Higashi Jonan 〒323-0829
Higashi Noda 〒323-0817
Higashi Mamada 〒329-0206
Higashi Yamada 〒323-0802
Hitotonoya 〒323-0034
Hirawa 〒329-0212
Fukura 〒323-0155
Fuso 〒323-0016
Hongocho 〒323-0026
Matsunuma 〒323-0007
Manaka 〒323-0044
Mamada 〒329-0205
Mitsumine 〒323-0821
Minami Ida 〒329-0213
Minami Izumi 〒323-0816
Minami Otome 〒329-0217
Minami Obayashi 〒323-0057
Minami Handa 〒323-0011
Miyamotocho 〒323-0024
Mukaino 〒323-0805
Mukaihara Shinden 〒323-0823
Yana 〒323-0158
Yahatacho 〒323-0031
Yokokura 〒323-0813
Yokokura Shinden 〒323-0819
Wakagicho 〒323-0028

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.
Ginza, Chuo-ku
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 Oyama 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 Oyama, along with mail handling for Japanese properties (e.g., akiya, Airbnb, minpaku, etc.)

There are two types of PO boxes available in Oyama. The first type of PO box is provided by Oyama 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.

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 Oyama 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 Oyama 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.