Yashio City Office:
phone number, opening hours and address
The main phone number of the Yashio City Office is 048-996-2111. Here is what to know before you call, with the address, opening hours and official website.
Yashio City Office main line
Official website www.city.yashio.lg.jp
Without hyphens: 0489962111
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 Yashio City
Yashio City gained town status in 1964 and city status in 1972, and is located at the southeastern tip of the prefecture. It lies in the Nakagawa Lowland, and the opening of Yashio Station on the Tsukuba Express has improved access to central Tokyo. The city office is in Chuo, where a new office building is being developed.
BASIC INFO
Basic information
- Main phone
- 048-996-2111
- Address
- 〒340-8588 埼玉県八潮市中央一丁目2番地1Shown in Japanese so you can paste it into a map app or show it to a taxi driver.
- Opening hours
- Weekdays 9:00–16:30Closed on weekends, public holidays and Dec 29 – Jan 3
- Official website
- www.city.yashio.lg.jp
- Local government code
- 112348Saitama Eastern Area · City
ACCESS
Access and map
Address
〒340-8588 埼玉県八潮市中央一丁目2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.
- 048-965-8111
〒343-8601 埼玉県越谷市赤山町5丁目7番47号
Covers Koshigaya City, Misato City, Yoshikawa City, Matsubushi Town as well as Yashio City
- 048-960-1190
〒343-8585 埼玉県越谷市弥生町16-1 越谷ツインシティBシティ3階
Covers Soka City, Koshigaya City, Misato City, Yoshikawa City as well as Yashio City
Personal pension consultations are accepted at any pension office in Japan.
- 048-931-6111
〒340-8509 埼玉県草加市弁天4-10-7
Covers Soka City, Misato City as well as Yashio City
- 048-925-1551
〒340-0035 埼玉県草加市西町425-2
Covers Soka City, Misato City, Yoshikawa City as well as Yashio City
FAQ
Frequently asked questions
What is the phone number of the Yashio City Office?
The main phone number of the Yashio City Office is 048-996-2111. 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 Yashio City Office? What time does it open and close?
Opening hours of the Yashio City Office: Weekdays 9:00–16:30. 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 Yashio 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.yashio.lg.jp/) or the Mynaportal. Check the official website for any weekend service counters.
Which tax office and pension office cover the Yashio City Office?
Yashio City is covered by the Koshigaya Tax Office (048-965-8111). It handles national taxes such as income tax and consumption tax returns and tax certificates. Pension matters are handled by Koshigaya Pension Office (048-960-1190); 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 Saitama.
NEARBY
Other municipalities in Eastern Area, Saitama
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).