Isumi (いすみ市) is a city located in Chiba Prefecture, Japan, formed on December 5, 2005, from the merger of the towns of Isumi, Misaki, and Ōhara. The city covers an area of 157.44 square kilometers and has a population of approximately 37,206 as of November 2020. Isumi is situated on the east coast of southern Chiba and is known for its temperate maritime climate, rolling sandy hills, and beach resorts at the end of Kujūkuri Beach. The economy is primarily based on commercial fishing, agriculture, and tourism, with notable products including spiny lobster and sardines.

💻 Isumi City Official Government Website

Districts and Postal Codes in Isumi

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
Satsumori 〒298-0114
Imazeki 〒298-0126
Iwafune 〒298-0011
Oike 〒298-0013
Ono 〒298-0113
Ohara 〒298-0004
Oharadai 〒298-0014
Oharamogamidai 〒298-0006
Owada 〒298-0029
Ogiwara 〒298-0131
Ozawa 〒298-0012
Odaka 〒298-0102
Kakiwada 〒298-0115
Kamioki 〒298-0103
Kamibuse 〒298-0018
Kariya 〒298-0123
Kōnodai 〒298-0112
Komatai 〒298-0101
Sakuda 〒298-0135
Samuro 〒298-0022
Sawabe 〒298-0023
Shima 〒298-0121
Shimohara 〒298-0027
Shimobuse 〒298-0017
Shakayatsu 〒298-0015
Shoryuji 〒298-0116
Sugaya 〒298-0106
Takadani 〒298-0021
Nagashi 〒298-0024
Namegawa 〒298-0134
Nitta 〒298-0005
Nittano 〒298-0026
Nittawakayama Fukahori Iriaichi 〒298-0016
Nōjitsu 〒298-0105
Hiari 〒298-0002
Hikida 〒298-0133
Fukahori 〒298-0003
Fukaya 〒298-0125
Hoso 〒298-0028
Masuda 〒298-0117
Matsumaru 〒298-0104
Mangi 〒298-0111
Misakichō Izawa 〒299-4615
Misakichō Izumi 〒299-4611
Misakichō Ichinono 〒299-4506
Misakichō Iwakuma 〒299-4505
Misakichō Enokisawa 〒299-4508
Misakichō Ebado 〒299-4612
Misakichō Oshibi 〒299-4622
Misakichō Kamone 〒299-4624
Misakichō Kaya 〒299-4625
Misakichō Kuwada 〒299-4504
Misakichō Shiigi 〒299-4501
Misakichō Chōja 〒299-4616
Misakichō Nakadaki 〒299-4623
Misakichō Nakahara 〒299-4502
Misakichō Higashi Odaka 〒299-4614
Misakichō Higashi Nakata 〒299-4621
Misakichō Mikadō 〒299-4613
Misakichō Yagami 〒299-4507
Yaotome 〒298-0132
Yamasa 〒298-0124
Yamada 〒298-0025
Rakumachi 〒298-0122
Wakayama 〒298-0001

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

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