You can join Google Fi without losing your number. Here's the complete process to bring your existing phone number to Google Fi's flexible wireless service.
• Your current carrier's account number and PIN
• An active Google account and Fi SIM or eSIM
• Billing ZIP code from your current carrier
Go to fi.google.com → Join Fi.
Select "Keep my number" when prompted during signup.
Enter your existing carrier credentials (account number, PIN, ZIP).
Activate your SIM or eSIM once approved.
< 24 hours
Most mobile numbers transfer quickly
2–5 business days
Fixed lines take longer to process
Yes — once the port finishes.
Yes, as long as the number is not under a corporate contract.
Double-check your account information matches your old carrier's records exactly and try again.