- Go to H2O Wireless website here: h2owirelessnow.com.
- Next, you’ll see an “Activate” tab. Select “Get a New Number.”
- When prompted, enter your H2O SIM card number.
- Next, select your preferred area code and city.
- Finally, select “Activate,” and your brand-new H2O Wireless number will be ready to use.
Enjoy your service.