Number lasts forever has refill of 5-45$ of 1-3 months 

Dial *#06# on your device and look out for EID NUMBER amidst IMEL, if it has EID or add eSIM in your cellular settings on your device, and your iOS device is above 18.50 then it’s compatible with eSIM and ready to be activated. eSIM compatibility is majorly possible with devices ranging from iPhone XR upwards and Samsung s20 upwards.