Aichi Owari Area · City
Ichinomiya City Office

Ichinomiya City Office: phone number, opening hours and address

The main phone number of the Ichinomiya City Office is 0586-28-8100. Here is what to know before you call, with the address, opening hours and official website.

Ichinomiya City Office

Ichinomiya City Office main line

Official website www.city.ichinomiya.aichi.jp

0586-28-8100

Without hyphens: 0586288100

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 Ichinomiya City

Ichinomiya City gained city status in 1921, merged with Bisai City and Kisogawa Town in 2005, and became a core city in 2021. It has long developed around the textile industry and is also a shrine town that grew up around Masumida Shrine. The city office is in Honmachi, where the current base-isolated building opened in 2014.

BASIC INFO

Basic information

Main phone
0586-28-8100
Address
〒491-8501 愛知県一宮市本町2丁目5番6号Shown in Japanese so you can paste it into a map app or show it to a taxi driver.
Opening hours
Weekdays 9:00–17:00Closed on weekends, public holidays and Dec 29 – Jan 3
Local government code
232033Aichi Owari Area · City

ACCESS

Access and map

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Address

〒491-8501 愛知県一宮市本町2丁目5番6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.

  • Tax office

    Ichinomiya Tax Office

    一宮税務署

    Ichinomiya Tax Office
    0586-72-4331

    〒491-8502 愛知県一宮市栄四丁目5番7号

    Covers Inazawa City as well as Ichinomiya City

  • Pension office

    Ichinomiya Pension Office

    一宮年金事務所

    Ichinomiya Pension Office
    0586-45-1418

    〒491-8503 愛知県一宮市新生4-7-13

    Covers Inuyama City, Konan City, Inazawa City, Iwakura City, Oguchi Town, Fuso Town as well as Ichinomiya City

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

  • Hello Work (public employment office)

    Hello Work Ichinomiya

    ハローワーク一宮

    Hello Work Ichinomiya
    0586-45-2048

    〒491-8509 愛知県一宮市八幡4-8-7 一宮労働総合庁舎

    Covers Inazawa City as well as Ichinomiya City

  • Public health center

    Ichinomiya City Public Health Center

    一宮市保健所

    Ichinomiya City Public Health Center
    0586-52-3851

    〒491-0026 愛知県一宮市和光2-1-36

FAQ

Frequently asked questions

Q

What is the phone number of the Ichinomiya City Office?

The main phone number of the Ichinomiya City Office is 0586-28-8100. 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 Ichinomiya City Office? What time does it open and close?

Opening hours of the Ichinomiya City Office: Weekdays 9:00–17:00. 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.

Q

Can I call the Ichinomiya 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.ichinomiya.aichi.jp/) or the Mynaportal. Check the official website for any weekend service counters.

Q

Which tax office and pension office cover the Ichinomiya City Office?

Ichinomiya City is covered by the Ichinomiya Tax Office (0586-72-4331). It handles national taxes such as income tax and consumption tax returns and tax certificates. Pension matters are handled by Ichinomiya Pension Office (0586-45-1418); 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 Aichi.

NEARBY

Other municipalities in Owari Area, Aichi

Phone numbers of all 54 municipalities in Aichi

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.

Request a correction or update

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).