Emergency codes: block your bank account or SIM

Use these if your phone, SIM or bank card has been lost or stolen.

Most blocking codes only work from the SIM registered to your account. If your SIM was stolen, call your bank's helpline from another phone, then ask your network to block the SIM.

Emergency services

National emergency number

Police, fire and ambulance. Free from any network.

112

Call

Blocking codes

28 codes

Block account (fraud / stolen phone)

Access Bank · Block one or all of your accounts. Works from any phone using the 'Third party' option.

EmergencyVerified Oct 2026

*901*911#

Dial

Block account (fraud / stolen phone)

Ecobank Nigeria · Block your account if your phone is stolen.

EmergencyUnverified

*326*911#

Dial

Block account (fraud / stolen phone)

FCMB · Block your USSD profile or bank account. Works from your registered or any other number.

EmergencyVerified Oct 2026

*329*911#

Dial

Block account (fraud / stolen phone)

Fidelity Bank · Block instant banking on all your accounts from any phone.

EmergencyUnverified

*770*911*{phone}#

Block debit card

Fidelity Bank · Block your ATM card from your registered number.

EmergencyUnverifiedRegistered SIM only

*770*911#

Dial

Deactivate your number on 894 (lost phone)

FirstBank · Stop your phone number from being used for 894 banking.

EmergencyVerified Oct 2026Registered SIM only

*894*911#

Dial

Block account (fraud / stolen phone)

Globus Bank · Block your account if your phone is stolen.

EmergencyUnverifiedRegistered SIM only

*989*6#

Dial

Block account (fraud / stolen phone)

GTBank · Freeze debits on your account if your phone or card is stolen. Works from any phone.

EmergencyUnverified

*737*51*74#

Dial

Block account (fraud / stolen phone)

Jaiz Bank · Place a no-debit restriction on your account.

EmergencyUnverified

*773*911*{phone}#

Block account (panic code)

Keystone Bank · Place a no-debit restriction on all your accounts. Works from any phone.

EmergencyVerified Oct 2026

*7111*911#

Dial

Block account (fraud / stolen phone)

Lotus Bank · Block your account, for yourself or for someone else.

EmergencyVerified Oct 2026

*5045*911#

Dial

Block or unblock account/card (fraud / stolen phone)

Moniepoint MFB · Emergency menu: stop debits on your account or block your card, from any phone.

EmergencyVerified Oct 2026

*5573*911#

Dial

Lock account (fraud / stolen phone)

OPay · Lock your OPay account if your phone is stolen or misplaced.

EmergencyVerified Oct 2026

*955*131#

Dial

Lock card (fraud / stolen phone)

OPay · Lock your OPay card if your phone or card is stolen.

EmergencyVerified Oct 2026

*955*132#

Dial

Block account (fraud / stolen phone)

Optimus Bank · Block your account from any phone using your account number.

EmergencyVerified Oct 2026

*930*911*{account}#

Block account from your own phone

Optimus Bank · Block your account from your registered number.

EmergencyVerified Oct 2026Registered SIM only

*930*911#

Dial

Block account (fraud / stolen phone)

Parallex Bank · Block your account if your phone or card is stolen.

EmergencyVerified Oct 2026

*1242*911#

Dial

Block (hotlist) debit card

Polaris Bank · Block your card if it is lost or stolen.

EmergencyVerified Oct 2026Registered SIM only

*833*4#

Dial

Block account (fraud / stolen phone)

Stanbic IBTC Bank · Block your account immediately if your phone or SIM is lost or stolen.

EmergencyVerified Oct 2026Registered SIM only

*909*1*911#

Dial

Block USSD or all accounts (fraud / stolen phone)

Standard Chartered · Option 1 blocks USSD from any phone; option 2 (from your registered number) blocks all accounts and cards.

EmergencyVerified Oct 2026

*977*911#

Dial

Block account (fraud / stolen phone)

Sterling Bank · Block your account if your phone or card is stolen.

EmergencyUnverified

*822*911#

Dial

Block a debit card from another phone

UBA · Freeze a card using someone else's phone (3rd-party freeze).

EmergencyVerified Oct 2026

*919*911#

Dial

Block debit card

UBA · Block your own debit card.

EmergencyVerified Oct 2026Registered SIM only

*919*10#

Dial

Freeze online transactions

UBA · Stop your card and account from being used online.

EmergencyVerified Oct 2026Registered SIM only

*919*9#

Dial

Block account (fraud / stolen phone)

Union Bank · Block your account using any other phone.

EmergencyVerified Oct 2026

*826*6*{phone}#

Block account from your own phone

Union Bank · Block your account from your registered number.

EmergencyVerified Oct 2026Registered SIM only

*826*6#

Dial

Block account (fraud / stolen phone)

Wema Bank (ALAT) · Restrict your account if your phone or card is stolen.

EmergencyVerified Oct 2026

*945*911#

Dial

Block account (fraud / stolen phone)

Zenith Bank · Stop all debits on your account. Works from any phone.

EmergencyVerified Oct 2026

*966*911#

Dial