Check whether your landline number is eligible for porting to a mobile carrier
Make sure the landline account is active and the number is not disconnected
Gather the account holder name, account number, billing address, and PIN or passcode if required
Choose a cell phone carrier that supports number porting
Start a new mobile account and request a landline-to-cell number transfer
Provide the exact landline account details to the mobile carrier
Keep the landline service active until the transfer is complete
Do not cancel the landline service yourself before the port finishes
Wait for the mobile carrier to confirm the porting request
Follow any verification steps sent by the carrier
Insert or activate the new SIM card if needed
Test incoming and outgoing calls and texts on the cell phone
Update voicemail, call forwarding, and emergency contact settings
Confirm the landline service has been fully disconnected after the number transfer