You may sign up for a Zero1 Jumbo plan at the following:
Zero1 Customer Service Centre located at 8 Burn Rd, #01-03 Trivex, Singapore 369977
The Zero1 website or Zero1 Mobile App
Over 70 authorised retailers across the island listed here
Accepted payment methods:
Credit/debit card (website or app sign ups ONLY)
Cash (Customer Service Centre or authorised retailer sign ups ONLY).
Trouble logging in? Simply enter your email address OR username in order to reset your password.
For faster and more reliable delivery, add noreply@zero1.sg to your trusted senders list in your email software.