Iwanai Town Office:
phone number, opening hours and address
The main phone number of the Iwanai Town Office is 0135-62-1011. Here is what to know before you call, with the address, opening hours and official website.
Iwanai Town Office main line
Official website www.town.iwanai.hokkaido.jp
Without hyphens: 0135621011
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 Iwanai Town
Iwanai was formed in 1955 by the merger of the former town of Iwanai and Shimano Village, and it rebuilt itself after a great fire in 1954. It is known for the Kida Kinjiro Art Museum, dedicated to a painter connected with the town, as well as the Raiden Coast and Iwanai Port. The town office stands in an elevated part of town.
BASIC INFO
Basic information
- Main phone
- 0135-62-1011
- Address
- 〒045-8555 北海道岩内郡岩内町字高台134番地1Shown in Japanese so you can paste it into a map app or show it to a taxi driver.
- Opening hours
- Weekdays 8:45–17:15Closed on weekends, public holidays and Dec 29 – Jan 3
- Official website
- www.town.iwanai.hokkaido.jp
- Local government code
- 014028Hokkaido Shiribeshi Subprefecture · Town
ACCESS
Access and map
Address
〒045-8555 北海道岩内郡岩内町字高台134番地1
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.
- 0136-22-1192
〒044-0011 北海道虻田郡倶知安町南1条東3丁目1番地倶知安地方合同庁舎
Covers Shimamaki Village, Suttsu Town, Kuromatsunai Town, Rankoshi Town, Niseko Town, Makkari Village, Rusutsu Village, Kimobetsu Town, Kyogoku Town, Kutchan Town, Kyowa Town, Tomari Village, Kamoenai Village as well as Iwanai Town
- 0134-33-5026
〒047-8666 北海道小樽市富岡1-9-6
Covers Otaru City, Shimamaki Village, Suttsu Town, Kuromatsunai Town, Rankoshi Town, Niseko Town, Makkari Village, Rusutsu Village, Kimobetsu Town, Kyogoku Town, Kutchan Town, Kyowa Town, Tomari Village, Kamoenai Village, Shakotan Town, Furubira Town, Niki Town, Yoichi Town, Akaigawa Village as well as Iwanai Town
Personal pension consultations are accepted at any pension office in Japan.
- 0135-62-1262
〒045-8609 北海道岩内郡岩内町字相生199-1
Covers Shimamaki Village, Suttsu Town, Kuromatsunai Town, Rankoshi Town, Kyowa Town, Tomari Village, Kamoenai Village as well as Iwanai Town
- 0135-62-1537
〒045-0022 北海道岩内郡岩内町字清住252-1
Covers Kyowa Town, Tomari Village, Kamoenai Village as well as Iwanai Town
FAQ
Frequently asked questions
What is the phone number of the Iwanai Town Office?
The main phone number of the Iwanai Town Office is 0135-62-1011. 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 Iwanai Town Office? What time does it open and close?
Opening hours of the Iwanai Town Office: Weekdays 8:45–17:15. 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 Iwanai 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.iwanai.hokkaido.jp/) or the Mynaportal. Check the official website for any weekend service counters.
Which tax office and pension office cover the Iwanai Town Office?
Iwanai Town is covered by the Kutchan Tax Office (0136-22-1192). It handles national taxes such as income tax and consumption tax returns and tax certificates. Pension matters are handled by Otaru Pension Office (0134-33-5026); 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 Hokkaido.
NEARBY
Other municipalities in Shiribeshi Subprefecture, Hokkaido
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).