Okayama City Office:
phone number, opening hours and address
The main phone number of the Okayama City Office is 086-803-1000. Here is what to know before you call, with the address, opening hours and official website.
Okayama City Office main line
Official website www.city.okayama.jp
Without hyphens: 0868031000
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 Okayama City
The prefectural capital, Okayama gained city status in 1889 and became a designated city in 2009, and is made up of four wards: Kita, Naka, Higashi and Minami. It is known for Okayama Castle and Okayama Korakuen, one of Japan's three great gardens. The city office is in Daiku, Kita Ward, where a new building completed in May 2026 is scheduled to open fully on November 24 of that year.
BASIC INFO
Basic information
- Main phone
- 086-803-1000
- Address
- 〒700-8544 岡山県岡山市北区大供一丁目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.okayama.jp
- Local government code
- 331007Okayama Okayama City · City
ACCESS
Access and map
Address
〒700-8544 岡山県岡山市北区大供一丁目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.
- 086-225-3141
〒700-8655 岡山県岡山市北区天神町3番23号
Part of this municipality is covered by a different office. Check the agency's official website for your address.
- 086-254-3411
〒700-0013 岡山県岡山市北区伊福町4丁目5番38号
Covers Kibichuo Town as well as Okayama City
Part of this municipality is covered by a different office. Check the agency's official website for your address.
- 086-942-3815
〒704-8116 岡山県岡山市東区西大寺中2丁目24番13号
Covers Setouchi City as well as Okayama City
Part of this municipality is covered by a different office. Check the agency's official website for your address.
- 086-952-1155
〒709-0861 岡山県岡山市東区瀬戸町瀬戸70番地
Covers Bizen City, Akaiwa City, Wake Town as well as Okayama City
Part of this municipality is covered by a different office. Check the agency's official website for your address.
- 086-214-2163
〒700-8572 岡山県岡山市北区昭和町12-7
Covers Tamano City as well as Okayama City
Personal pension consultations are accepted at any pension office in Japan.
- 086-241-3222
〒700-0971 岡山県岡山市北区野田1-1-20
Covers Kibichuo Town as well as Okayama City
Part of this municipality is covered by a different office. Check the agency's official website for your address.
- 086-942-3212
〒704-8116 岡山県岡山市東区西大寺中1-13-35 NTT西日本西大寺ビル
Covers Setouchi City as well as Okayama City
Part of this municipality is covered by a different office. Check the agency's official website for your address.
- 086-803-1200
〒700-8546 岡山県岡山市北区鹿田町1-1-1
FAQ
Frequently asked questions
What is the phone number of the Okayama City Office?
The main phone number of the Okayama City Office is 086-803-1000. 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 Okayama City Office? What time does it open and close?
Opening hours of the Okayama 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 Okayama 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.okayama.jp/) or the Mynaportal. Check the official website for any weekend service counters.
Which tax office and pension office cover the Okayama City Office?
Okayama City is split between several tax offices: Okayama-Higashi Tax Office (086-225-3141), Okayama-Nishi Tax Office (086-254-3411), Saidaiji Tax Office (086-942-3815), Seto Tax Office (086-952-1155). Check the National Tax Agency page to find the office for your address. Pension matters are handled by Okayama-Nishi Pension Office (086-214-2163).
WARD OFFICES
Ward offices of Okayama City
Residence registration, family registers and national health insurance are handled at the ward office where you live. See each page for the ward office's main number.
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 Okayama.
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).