- Municipal Office Phone Directory
- Kumamoto
- Minamata City
Minamata City Office:
phone number, opening hours and address
The main phone number of the Minamata City Office is 0966-63-1111. Here is what to know before you call, with the address, opening hours and official website.
Minamata City Office main line
Official website www.city.minamata.lg.jp
Without hyphens: 0966631111
The main number connects you to an operator, who will put you through to the right section. Calls are usually answered in Japanese.
Checked against the official website · October 7, 2026
ABOUT
About Minamata City
Located at the southern tip of the prefecture, Minamata adopted city status in 1949 and annexed Kugino Village in 1956. It has the Minamata Disease Municipal Museum, which passes on the lessons of Minamata disease, as well as Yunoko Onsen. The city office is in Jinnai 1-chome, where a new building was completed in 2021.
BASIC INFO
Basic information
- Main phone
- 0966-63-1111
- Address
- 〒867-8555 熊本県水俣市陣内一丁目1番1号Shown in Japanese so you can paste it into a map app or show it to a taxi driver.
- Opening hours
- Weekdays 8:30–17:15Closed on weekends, public holidays and Dec 29 – Jan 3
- Official website
www.city.minamata.lg.jp
- Local government code
- 432059Kumamoto Ashikita Area · City
ACCESS
Access and map
Address
〒867-8555 熊本県水俣市陣内一丁目1番1号
RELATED OFFICES
Phone numbers of related government offices
Public offices in charge of this municipality (national and prefectural branches). National taxes — income tax and consumption tax returns, tax certificates — are handled by the tax office, not the municipal office. Addresses are shown in Japanese.
- 0965-32-3141
〒866-8605 熊本県八代市花園町16番地2
Covers Yatsushiro City, Hikawa Town, Ashikita Town, Tsunagi Town as well as Minamata City
- 0965-35-6123

〒866-8503 熊本県八代市萩原町2-11-41
Covers Yatsushiro City, Hitoyoshi City, Hikawa Town, Ashikita Town, Tsunagi Town, Nishiki Town, Taragi Town, Yunomae Town, Mizukami Village, Sagara Village, Itsuki Village, Yamae Village, Kuma Village, Asagiri Town as well as Minamata City
Personal pension consultations are accepted at any pension office in Japan.
- 0966-62-8609
〒867-0061 熊本県水俣市八幡町3-2-1
Covers Ashikita Town, Tsunagi Town as well as Minamata City
- 0966-63-4104

〒867-0061 熊本県水俣市八幡町3-2-7
Covers Ashikita Town, Tsunagi Town as well as Minamata City
FAQ
Frequently asked questions
What is the phone number of the Minamata City Office?
The main phone number of the Minamata City Office is 0966-63-1111. It connects you to an operator, who will transfer you to the right section once you explain what you need.
What are the opening hours of the Minamata City Office? What time does it open and close?
Opening hours of the Minamata City Office: Weekdays 8:30–17:15. It is closed on Saturdays, Sundays, public holidays and over the New Year break (Dec 29 – Jan 3). Hours can differ by counter and service, so please check the official website for details.
Can I call the Minamata City Office on weekends or at night?
The main line is generally not answered outside opening hours. For non-urgent procedures and certificates you may be able to use online applications on the official website (https://www.city.minamata.lg.jp/) or the Mynaportal. Check the official website for any weekend service counters.
Which tax office and pension office cover the Minamata City Office?
Minamata City is covered by the Yatsushiro Tax Office (0965-32-3141). It handles national taxes such as income tax and consumption tax returns and tax certificates. Pension matters are handled by Yatsushiro Pension Office (0965-35-6123); personal consultations are accepted at any pension office in Japan.
GOVERNMENT OFFICES
Phone numbers of tax offices, pension offices, Hello Work and public health centers
Main phone numbers, addresses and jurisdictions of the offices in Kumamoto.
NEARBY
Other municipalities in Ashikita Area, Kumamoto
For staff of municipalities and public offices
We accept requests to correct or update the phone numbers, office hours, addresses and other details listed here. We check each request against the official website before updating.
The phone numbers, addresses and opening hours on this page are based on information published on each municipality's official website (last checked: October 7, 2026). Please check the official website for the latest information. This page compiles public information for the convenience of residents and does not indicate any business or partnership relationship between the listed municipalities and AIRI (LIVERUSH Co., Ltd.). If you find an error, please let us know via our contact form.
Tax office names, addresses, phone numbers and jurisdictions are based on the National Tax Agency's 税務署の所在地などを知りたい方 (checked October 19, 2026). Pension office names, addresses, phone numbers and jurisdictions are based on the Japan Pension Service's 年金事務所管轄区域 (checked October 19, 2026). Hello Work (public employment office) names, addresses, phone numbers and jurisdictions are based on the Ministry of Health, Labour and Welfare's 全国ハローワーク所在案内 (checked October 19, 2026). Public health center names, addresses, phone numbers and jurisdictions are based on the Ministry of Health, Labour and Welfare's 保健所管轄区域案内 (checked October 19, 2026).