H2O customer service contact details search will end here. Here we included all the contact details of H2O customer service. We cover H2O Phone Number, Customer Service Hours, How to call for an inquiry.
Customer care number
Steps for connecting with customer care
- Dial 800.643.4926
- Now press 1 for English.
- After that, you have to press 3
- And then, press 6
- Stay on line
- Now you get a connection with a customer care representative
Customer care supporting hours
- Monday to Friday: 9 am to 12 am
- Saturday-Sunday: 9 am to 11 pm