Yamaguchi Iwakuni Area · City
Iwakuni City Office

Iwakuni City Office: phone number, opening hours and address

The main phone number of the Iwakuni City Office is 0827-29-5000. Here is what to know before you call, with the address, opening hours and official website.

Iwakuni City Office

Iwakuni City Office main line

Official website www.city.iwakuni.lg.jp

0827-29-5000

Without hyphens: 0827295000

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 Iwakuni City

After gaining city status in 1940, Iwakuni merged with seven towns and villages of Kuga District in 2006 to form a new city. It is known for Kintaikyo Bridge, one of Japan's three most unusual bridges, Iwakuni Castle, and the white snakes of Iwakuni, a national Natural Monument. The city office is in Imazu-machi 1-chome.

BASIC INFO

Basic information

Main phone
0827-29-5000
Address
〒740-8585 山口県岩国市今津町1丁目14-51Shown 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
Iwakuni City Officewww.city.iwakuni.lg.jp
Local government code
352080Yamaguchi Iwakuni Area · City

ACCESS

Access and map

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Address

〒740-8585 山口県岩国市今津町1丁目14-51

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

    Iwakuni Tax Office

    岩国税務署

    Iwakuni Tax Office
    0827-22-0111

    〒740-8611 山口県岩国市麻里布町7丁目9番37号

    Covers Waki Town as well as Iwakuni City

  • Pension office

    Iwakuni Pension Office

    岩国年金事務所

    Iwakuni Pension Office
    0827-24-2222

    〒740-8686 山口県岩国市立石町1-8-7

    Covers Yanai City, Suo-Oshima Town, Waki Town as well as Iwakuni City

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

  • Hello Work (public employment office)

    Hello Work Iwakuni

    ハローワーク岩国

    Hello Work Iwakuni
    0827-21-3281

    〒740-0022 山口県岩国市山手町1丁目1番21号

    Covers Waki Town as well as Iwakuni City

  • Public health center

    Iwakuni Environmental and Public Health Center

    岩国環境保健所

    Iwakuni Environmental and Public Health Center
    0827-29-1512

    〒740-0016 山口県岩国市三笠町1-1-1

    Covers Waki Town as well as Iwakuni City

FAQ

Frequently asked questions

Q

What is the phone number of the Iwakuni City Office?

The main phone number of the Iwakuni City Office is 0827-29-5000. 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 Iwakuni City Office? What time does it open and close?

Opening hours of the Iwakuni 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.

Q

Can I call the Iwakuni 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.iwakuni.lg.jp/) or the Mynaportal. Check the official website for any weekend service counters.

Q

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

Iwakuni City is covered by the Iwakuni Tax Office (0827-22-0111). It handles national taxes such as income tax and consumption tax returns and tax certificates. Pension matters are handled by Iwakuni Pension Office (0827-24-2222); 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 Yamaguchi.

NEARBY

Other municipalities in Iwakuni Area, Yamaguchi

Phone numbers of all 19 municipalities in Yamaguchi

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).