An eSIM with a real number. Yes, an eSIM can have a real phone number. The three kinds that exist, what breaks when your number changes abroad, and how porting to an eSIM works.
Yes. An eSIM is a SIM profile downloaded to your device instead of shipped as plastic, and it can carry a full voice line with a real number. Most travel eSIM brands choose to sell data-only profiles, which is a commercial decision rather than a limitation of the technology.
Yes, by porting it. Number portability lets you move your existing number to a new provider, and the destination can be an eSIM profile. Your number, your contacts and your two-factor codes carry over. Do not cancel your old plan first, since porting requires the number to still be active.
Only if the line your number lives on is active where you are. On a data-only eSIM, no. On a local foreign SIM, no, because the codes go to your old number. On an eSIM your number has been ported to, yes, in every country the plan covers.
On any eSIM-capable phone, yes. Modern iPhones and Android handsets run at least two SIM profiles at once, so you can keep a home line and add a second.
Usually the same day, sometimes one to two business days depending on the country and the losing carrier. Your old line keeps working until the port completes, so there is no window where you are unreachable.
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