Isesaki City Office:
phone number, opening hours and address
The main phone number of the Isesaki City Office is 0270-24-5111. Here is what to know before you call, with the address, opening hours and official website.
Isesaki City Office main line
Official website www.city.isesaki.lg.jp
Without hyphens: 0270245111
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 Isesaki City
After adopting city status in 1940, Isesaki merged with Sakai Town, Azuma Village and Akabori Town in 2005 to form the present city. It is known for silk textiles such as Isesaki meisen, and is home to the former residence of Tajima Yahei, part of a World Heritage Site. The city office is in Imaizumicho 2-chome.
BASIC INFO
Basic information
- Main phone
- 0270-24-5111
- Address
- 〒372-8501 群馬県伊勢崎市今泉町二丁目410番地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.isesaki.lg.jp
- Local government code
- 102041Gunma Central Area · City
ACCESS
Access and map
Address
〒372-8501 群馬県伊勢崎市今泉町二丁目410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.
- 0270-25-4045
〒372-8686 群馬県伊勢崎市鹿島町562番地の1
Covers Tamamura Town as well as Isesaki City
- 027-231-1719
〒371-0033 群馬県前橋市国領町2-19-12
Covers Maebashi City, Tamamura Town as well as Isesaki City
Personal pension consultations are accepted at any pension office in Japan.
- 0270-23-8609
〒372-0006 群馬県伊勢崎市太田町554-10
Covers Tamamura Town as well as Isesaki City
- 0270-25-5066
〒372-0024 群馬県伊勢崎市下植木町499
Covers Tamamura Town as well as Isesaki City
FAQ
Frequently asked questions
What is the phone number of the Isesaki City Office?
The main phone number of the Isesaki City Office is 0270-24-5111. 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 Isesaki City Office? What time does it open and close?
Opening hours of the Isesaki 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 Isesaki 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.isesaki.lg.jp/) or the Mynaportal. Check the official website for any weekend service counters.
Which tax office and pension office cover the Isesaki City Office?
Isesaki City is covered by the Isesaki Tax Office (0270-25-4045). It handles national taxes such as income tax and consumption tax returns and tax certificates. Pension matters are handled by Maebashi Pension Office (027-231-1719); 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 Gunma.
NEARBY
Other municipalities in Central Area, Gunma
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).