you will still be able to log into the old number and for few days you can use both numbers and then the old number will not be valid
just to stop your confusion,
forward to cic the same letter you have recieved and explain your concern and wait for their reply
keep us updated and good luck
just to stop your confusion,
forward to cic the same letter you have recieved and explain your concern and wait for their reply
keep us updated and good luck