You are able to refill your SimSim number through the following commercial Banks: National Bank of Bahrain (NBB), Bank of Bahrain of Kuwait (BBK), AlShamil Bank and AlAhli United Bank (AUB).
All SimSim refill denominations are available, BD 1, BD 3, BD 5, BD 10 and BD 20. The amount chosen will automatically be refilled in your SimSim number and deducted from your bank account.