If you lose a phone, quickly lock the money in your bank account by dialing these codes. 1. Access: *901*911# 2. Zenith: *966*911# 3. GTB: *737*51*74# 4. WEMA: *945*911# 5. FirstBank: *894*911# 6. Keystone: *7111*911# 7. UBA: *919*911# 8. FCMB: *329*911# 9. Sterling Bank: *822*911# 10. Unity Bank: *7799*911# 11. Fidelity Bank: *770*911# 12. Heritage Bank: *745*7# I3. Ecobank *326*911# 14. Union Bank *826*911# 15. Stanbic *909*911# 16. Polaris Bank *833*911# Dial the code from any line, you will be asked to enter the phone number you want to deactivate, and that settles it.Kindly share to your loved ones