Hey @Sasan
Welcome on the Community!
Ah that sounds like your subscription was ended. If your number is already inactive, you can try to get a prepaidcard somewhere else and transfer the number on there. Then you could order a new subscription on our website to transfer back. We don't offer any way of doing this ourselves unfortunately.
You can get prepaidcards at supermarkets, gas stations etc.
Have a great day!
Janine
Simpel