Even if you will keep SIM card, after some time of inactivity SIM card will be blocked and phone number will be added to a pool of number for latter reuse. It i

Even if you will keep SIM card, after some time of inactivity SIM card will be blocked and phone number will be added to a pool of number for latter reuse. It is not unusual when the same number assigned to a new customer a year or two after it was last used by another customer.