For inquiries regarding water supply, please contact the Water Works Bureau Customer Service Center.
Water Works Bureau Customer Service Center
Phone: 045-847-6262 Fax: 045-848-4281
※Please be careful not to make a mistake.
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Last update date May 7, 2024
For inquiries by email, it may take some time to respond.
(Saturdays, Sundays, public holidays, and New Year's holidays will be handled after the next business day.)
Please also refer to "Frequently Asked Questions Q&A".
※Inquiries about direct debit and credit card payments are increasing.
Click here for frequently asked questions about direct debit and credit card payment.
In addition, we do not accept requests related to contracts and procedures by e-mail because it is difficult to confirm whether the contractor is the contractor.
Please contact the Water Works Bureau Customer Service Center.
Water Works Bureau Customer Service Center
Phone: 045-847-6262 Fax: 045-848-4281
※Please be careful not to make a mistake.
For inquiries regarding the following content, we will not be able to respond or request by e-mail.
Please contact the Water Works Bureau Customer Service Center.
Water Works Bureau Customer Service Center
Phone: 045-847-6262 Fax: 045-848-4281
※Please be careful not to make a mistake.
・Confirmation of personal information of customers managed by Water Works Bureau (water consumption, charge, customer number, etc.) |
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About opinion, request about water supply business, please use "suggestion from citizen".
For inquiries by e-mail, please send us the following.
We may not be able to answer anonymous questions.
The personal information we receive will be properly managed and used only to respond to inquiries.
Send an inquiry email
Water Works Bureau Customer Service Center
Phone: 045-847-6262 Fax: 045-848-4281
※Please be careful not to make a mistake.
Water Works Bureau Water Supply Service Department Service Promotion Section
Phone: 045-671-3073
Phone: 045-671-3073
Fax: 045-212-1168
Email address: su-sabisu@city.yokohama.jp
Page ID: 254-858-707