Chiba Chosei Area · Town
Chonan Town Office

Chonan Town Office: phone number, opening hours and address

The main phone number of the Chonan Town Office is 0475-46-2111. Here is what to know before you call, with the address, opening hours and official website.

Chonan Town Office

Chonan Town Office main line

Official website www.town.chonan.chiba.jp

0475-46-2111

Without hyphens: 0475462111

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 Chonan Town

Chonan Town in Chosei District was formed in 1955 by the merger of four towns and villages, including the former Chonan Town. It is known for Kasamori Kannon Hall, a nationally designated Important Cultural Property, and for Yuya no Shimizu, one of Japan’s 100 Exquisite Waters, and its specialties include Koshihikari rice and lotus root. The town office is in Chonan, where operations began in a new building in 2023.

BASIC INFO

Basic information

Main phone
0475-46-2111
Address
〒297-0192 千葉県長生郡長南町長南2110番地Shown in Japanese so you can paste it into a map app or show it to a taxi driver.
Opening hours
Please check the official websiteMost municipalities open on weekdays from about 8:30 to 17:00
Official website
Chonan Town Officewww.town.chonan.chiba.jp
Local government code
124273Chiba Chosei Area · Town

ACCESS

Access and map

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Address

〒297-0192 千葉県長生郡長南町長南2110番地

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.

  • Tax office

    Mobara Tax Office

    茂原税務署

    Mobara Tax Office
    0475-22-2166

    〒297-8501 千葉県茂原市高師台1丁目5番地1茂原地方合同庁舎

    Covers Mobara City, Ichinomiya Town, Mutsuzawa Town, Chosei Village, Shirako Town, Nagara Town, Katsuura City, Isumi City, Otaki Town, Onjuku Town as well as Chonan Town

  • Pension office

    Chiba Pension Office

    千葉年金事務所

    Chiba Pension Office
    043-242-6320

    〒260-8503 千葉県千葉市中央区中央港1-17-1

    Covers Chiba City, Togane City, Sammu City, Oamishirasato City, Kujukuri Town, Shibayama Town, Yokoshibahikari Town, Mobara City, Ichinomiya Town, Mutsuzawa Town, Chosei Village, Shirako Town, Nagara Town, Katsuura City, Isumi City, Otaki Town, Onjuku Town, Chuo Ward, Wakaba Ward, Midori Ward as well as Chonan Town

    Personal pension consultations are accepted at any pension office in Japan.

  • Hello Work (public employment office)

    Hello Work Mobara

    ハローワーク茂原

    Hello Work Mobara
    0475-25-8609

    〒297-0078 千葉県茂原市高師台1-5-1 茂原地方合同庁舎1F

    Covers Mobara City, Ichinomiya Town, Mutsuzawa Town, Chosei Village, Shirako Town, Nagara Town as well as Chonan Town

  • Public health center

    Chosei Public Health Center

    長生保健所

    Chosei Public Health Center
    0475-22-5167

    〒297-0026 千葉県茂原市茂原1102-1

    Covers Mobara City, Ichinomiya Town, Mutsuzawa Town, Chosei Village, Shirako Town, Nagara Town as well as Chonan Town

FAQ

Frequently asked questions

Q

What is the phone number of the Chonan Town Office?

The main phone number of the Chonan Town Office is 0475-46-2111. It connects you to an operator, who will transfer you to the right section once you explain what you need.

Q

What are the opening hours of the Chonan Town Office? What time does it open and close?

Please check the official website for the opening hours of the Chonan Town Office. Most municipalities open on weekdays from about 8:30 to 17:00 and close on Saturdays, Sundays, public holidays and over the New Year break (Dec 29 – Jan 3).

Q

Can I call the Chonan Town 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.town.chonan.chiba.jp/) or the Mynaportal. Check the official website for any weekend service counters.

Q

Which tax office and pension office cover the Chonan Town Office?

Chonan Town is covered by the Mobara Tax Office (0475-22-2166). It handles national taxes such as income tax and consumption tax returns and tax certificates. Pension matters are handled by Chiba Pension Office (043-242-6320); 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 Chiba.

NEARBY

Other municipalities in Chosei Area, Chiba

Phone numbers of all 54 municipalities in Chiba

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.

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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).