You can still register your SIM card if it was switched off. Telcos usually have 90 days to keep a number that is not in use. If that time elapses, it will recycle the number and release it to the market for sale.
Now, the best way to do this is to go to an M-PESA, Airtel Money, or T-Kash shop with your original credentials (ID). The agent will then take photos of the documents and registered the SIM card for you. If this is not the right course for you, you can always visit a customer care shop for the same exercise.
Afterward, you need to wait for less than 48 hours for your line to come back online.
To note, the portals are not the right way to go around this because you will need a one-time password, which you cannot receive because your SIM card is already off.
Faiba users, however, should not worry because their registration details are already in line with CA regulations.
For housekeeping reasons, this process is being done so that telcos and security agencies can tie a SIM card to a person. This is because some of them are used for illegal activities, including crimes such as fraud or kidnapping.
