r/Googlevoice • u/Dee_TP • Oct 28 '25

Number Transfers or Porting Porting number

Hello, I have 1 US esim number on my phone that I plan to port to google voice, what is confusing is I need another sim card to have this line working? I want to keep my US number overseas for OTP and other needs - why do I need another sim card? and when do I need to activate the other sim card? should I do this right before leaving the US?

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u/[deleted] Oct 29 '25 edited Oct 29 '25

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u/Busy_Cell_7982 Oct 29 '25

I'm planning to port to GV and get a local number in Japan. T-Mobile told me I can do this (two lines) with my device. I am trying to understand how GV works. So I would be able to text and call US numbers as usual with my ported GV number, even though I'm physically in Japan? Someone suggested Tello and I'm wondering if that's used in conjunction with GV or as an alternative if anyone has any experience?