Tomakomai (苫小牧市), a city in Iburi Subprefecture, Hokkaido, Japan, is the largest city in the subprefecture with a population of approximately 167,372 as of July 2023. Established as a city in 1948, it has a significant port that opened in 1963, contributing to its industrial economy. Tomakomai is renowned for its production of Arctic surf clams and its humid continental climate. The city is surrounded by natural landmarks like Mount Tarumae and Shikotsu-Tōya National Park, making it a notable area for both industry and natural beauty.

💻 Tomakomai City Official Government Website

Districts and Postal Codes in Tomakomai

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
Aobacho 〒053-0807
Akenoshinmachi 〒053-0054
Akenomotomachi 〒053-0051
Akebonocho 〒059-1366
Asahimachi 〒053-0018
Ariakecho 〒053-0812
Izumicho 〒053-0047
Ipponmatsucho 〒059-1375
Itoi 〒053-0814
Irifunecho 〒053-0003
Uenae 〒059-1365
Usunosawacho 〒053-0842
Utonai Kita 〒059-1306
Utonai Minami 〒059-1307
Eifukucho 〒053-0815
Ojimachi 〒053-0027
Omachi 〒053-0024
Otowacho 〒053-0044
Omotemachi 〒053-0022
Kashiwagicho 〒053-0823
Kashiwabara 〒059-1362
Kasugacho 〒053-0031
Kawazoecho 〒053-0822
Kibacho 〒053-0033
Kinseicho 〒059-1266
Keihokucho 〒053-0854
Koitoichō 〒053-0813
Koyocho 〒053-0811
Kotobukicho 〒053-0016
Saiwaicho 〒053-0026
Sakaemachi 〒053-0017
Sakuragicho 〒053-0832
Sakurazakacho 〒053-0843
Sankocho 〒053-0042
Shiomicho 〒053-0012
Shizukawa 〒059-1363
Shimizucho 〒053-0034
Shirakabacho 〒053-0821
Shiroganecho 〒053-0801
Shinkaichō 〒053-0052
Shintomicho 〒053-0805
Shinnakanocho 〒053-0006
Shinmeichō 〒053-0055
Suehirocho 〒053-0011
Sumikawacho 〒059-1271
Sumiyoshicho 〒053-0046
Seiuncho 〒059-1263
Taiseicho 〒053-0806
Takaoka 〒053-0035
Takasagocho 〒053-0013
Takuyu Nishimachi 〒059-1302
Takuyu Higashimachi 〒059-1303
Tarumae 〒059-1265
Tokaicho 〒059-1301
Tokiwacho 〒059-1261
Toyokawacho 〒053-0831
Nishikioka 〒059-1275
Nishikimachi 〒053-0023
Nisshincho 〒053-0833
Numanohata 〒059-1364
Numanohata Chuo 〒059-1305
Nozomicho 〒059-1272
Hanazonochō 〒053-0853
Hamacho 〒053-0014
Hamanasucho 〒053-0845
Harumicho 〒059-1374
Hinodecho 〒053-0043
Hiyoshicho 〒053-0816
Futabacho 〒053-0045
Funamicho 〒053-0007
Benten 〒059-1371
Hokueicho 〒059-1304
Hokuseicho 〒059-1277
Hokkōcho 〒053-0852
Honkōcho 〒053-0015
Honcho 〒053-0025
Masagocho 〒059-1373
Matsukazecho 〒053-0841
Maruyama 〒066-0271
Misawa 〒059-1361
Misonocho 〒053-0041
Midorimachi 〒053-0032
Minatomachi 〒053-0004
Miharamachi 〒059-1262
Miyanomoricho 〒053-0844
Miyamaecho 〒059-1264
Miyamacho 〒053-0855
Meitokucho 〒059-1273
Moegicho 〒059-1274
Motonakanocho 〒053-0005
Motomachi 〒053-0804
Yashirocho 〒053-0803
Yanagicho 〒053-0053
Yamatecho 〒053-0851
Yayoicho 〒053-0802
Yufutsu 〒059-1372
Wakakusacho 〒053-0021

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 Tomakomai 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 Tomakomai, along with mail handling for Japanese properties (e.g., akiya, Airbnb, minpaku, etc.)

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