How Long Sim Cards Expire. Theres a period of time - I think either three or six months in effect - after the end of the last paid billing cycle during which the phone number remains reserved to you and the SIM card remains viable. In the above example if your card expires on 31 January 2021 you can use it before midnight.

Yes you can call 1800-482-2800 toll free. But some prepaid plans let you use you credit for much longer than others - even up to a full year. Buy a new SIM card.
-_- She just advised me to buy a new prepaid SIM and make sure I top up the SIM card within 120 days and also do a charging transaction like sending a text message.
The results below include plans with expiry from 180 days up to 365 days and at least 50GB of data. Hi there I bought an ATT sim in December and used throughout January while travelling the states. And the unhappy statement here is. The longest expiration period between the existing account expiration date and the expiration period on the new replenishment updates the account.
