Announcement
Prepaid numbers can now be ported to Zero1
Keep your existing prepaid mobile number when you switch to an eligible Zero1 mobile plan.
Simply choose Keep your existing number during sign-up and complete the port-in details.
Before you port your prepaid number
Check these details before you start to help avoid delays:
- Your prepaid number is active.
- You are the registered owner of the number.
- Your registered NRIC, FIN or Passport details match your current provider’s records.
- For online port-in, you need Singpass to verify your identity. If you do not have Singpass, please visit the Zero1 Customer Service Centre to complete your port-in.
Important: Keep your existing mobile service active until the port-in is successfully completed.
How to port your prepaid number to Zero1
Step 1
Choose your Zero1 plan
Pick your preferred Zero1 mobile plan and start your sign-up.
Step 2
Choose your SIM type & “Keep my existing number”
Select eSIM or Physical SIM, then choose Keep my existing number and complete your port-in details.
Step 3
Complete Singpass verification
Verify your identity using Singpass to continue your online port-in. If you do not have Singpass, please visit the Zero1 Customer Service Centre for assistance.
Step 4
Select your delivery method
If you chose a Physical SIM, select your preferred delivery option. eSIM doesn't require delivery.
Step 5
Make payment & complete your order
Physical SIM: delivered within 3 business days.
eSIM: profile available after your order is completed.
Step 6
Activate your Zero1 SIM or eSIM
Port-in usually takes 1–3 business days.
Once your current telco line loses signal,
activate your new Zero1 SIM card or install your Zero1 eSIM.
Ready to bring your prepaid number to Zero1?
Choose your Zero1 mobile plan, select Keep my existing number, and complete your port-in request during sign-up.
Zero1 Customer Service Centre
You can also buy our mobile plans at our Zero1 Customer Service Centre. Do bring along your ID when you like to purchase the plan on-site.
Zero1 Customer Service Centre
25 Harper Road
#01-06 Harper Point
Singapore 369683
(Near Circle Line Tai Seng MRT Station, Exit B
Near 70281 aft Tai Seng Stn bus station)
Mondays to Fridays
09:30 am to 05:30 pm
Saturdays
10:00 am to 05:30 pm
Sundays
09:00 am to 05:30 pm
Closed on Public Holidays
Have some feedback for us?
We are happy to understand if there’s something you need us to know, just message us on Facebook or send us an email at yes@zero1.sg.
More information
Zero1 develops life solutions by making it #AllAboutYou, ensuring that you receive #OnlyTheBest of what we can offer.
Zero1 is a licensed Mobile Virtual Network Operator (MVNO) that provides a number of mobile plans with all your connectivity needs. Do check out our other offerings on the Zero1 website today.
