To enhance the security of our mobile banking,
the system will now require the user’s name to match
the SIM card owner’s name*

For foreigners : The Mobile Banking and SIM card must have the same registered passport number.

(Same registered name)

Customer who do not register or update the passport number of
the SIM card owner to match the Mobile Banking user by April 30, 2025,
will have their KBank Mobile Banking service suspended by July 15, 2025.

Check Your KBank Mobile Banking Usage Status

Add LINE ID: @kbanklive (The official account must have a green star badge.)

  • Then type : @checksim
  • Tap “Check Mobile Number”

 If the status shows "Can be used as normal" but you cannot use Mobile Banking, please contact K-Contact Center at 02-8888888 (press 03). For LINE BK, call 02-0555555,  or visit any convenient KBank branch.

Who needs to take action?
What to do if you are required to take action by April 30, 2025?

If your Mobile Banking service has been suspended

According to enhanced Mobile Banking security measures, the Mobile Banking and SIM card must have the same registered passport number.

(Based on the mobile number information of the Mobile Banking user in the bank’s database as of April 30, 2025)

To continue using KBank Mobile Banking, you can proceed with one of the following options:

  • Please contact your mobile network service center to register the SIM card owner using your latest passport number and ensure it matches the passport number registered for your Mobile Banking. Alternatively, you may change the mobile number linked to your KBank Mobile Banking account.
    (The passport number of the SIM card owner must match the passport number registered with KBank Mobile Banking.)

Submit the required documents at any KBank branch (*see document details below).

  1. Document proving ownership of the KBank Mobile Banking account.
  2. Document proving ownership of the SIM Card (e.g., receipt).

  • If you are not using your own name but meet the criteria for an exception where the SIM card owner’s name does not match the KBank Mobile Banking user’s name, (Eligible relationships include family members, legal entities, or individuals under legal care.) please visit a KBank branch to request reactivation under the exception conditions.

For details on conditions and required documents : View additional details


**Once you have completed the steps above, please visit a nearby KBank branch in person with the required documents.**

*Document Details

Document proving ownership of the KBank Mobile Banking account.

  • Passport/Alien Certificate (for foreigners)

Proof of ownership of the SIM Card (one of the following).

  • Message or SMS from your mobile network service center:

    For AIS users

    • Thais: Dial *161*mobile number# and press call
    • Foreigners/Juristic persons/Government agencies/Others: Send an SMS by typing B following by a space and then the passport number or document used for registration (e.g., Tax ID) and send it to 4444161

    For True and Dtac users

    • Download the True application to verify your eligibility >> tap the three dots (more) > Select “Service Certificate Letter” > tap “continue”
  • Tax invoice or phone bill receipt
  • Phone bill
  • For prepaid SIM cards, please request a tax invoice at your mobile network service center.

If it is necessary to use the SIM card with owner’s name that does not match the user’s
name of K PLUS / K PLUS SME/ LINE BK/ MAKE by KBank

Customers who are eligible for an exemption from guidelines against using the SIM card owner's name
that does not match the mobile banking user's name must contact a convenient KBank branch in person
and submit the required documents.

Customers who are eligible for an exemption Required documents

Family
Father, mother, child, adopted child, adoptive parents, siblings, or spouse (registered)

Identification documents of being the user of KBank mobile banking service
  • National ID card (for Thai nationals) or
  • Passport / Alien ID card (for foreign nationals)
SIM card ownership documents (any of the following)
  • Tax invoice or telephone bill receipt
  • Service invoice
  • Tax invoice issued by the mobile phone service provider in case of a prepaid SIM
Relationship documents issued by relevant authorities (depending on the case in which the exemption is requested)
  • Copy of birth certificate or house registration with the name of father/mother
  • Copy of marriage certificate
  • Certified true copy of adoption certificate
Juristic persons
Companies, government agencies, or other juristic persons under the law (For cases where the mobile phone number is registered under the name of a juristic person and is used by employees of the organization)
  1. Identification documents of being the user of KBank mobile banking service
    • National ID card (for Thai nationals) or
    • Passport / Alien ID card (for foreign nationals)
  2. Company-issued certificate documents must clearly state the following:
    • Employee’s full name
    • Mobile phone number
    • A message: “Permission is granted to use the phone number linked to KBank mobile banking” or confirmation that the juristic person is the owner of the mobile phone number
  3. SIM card ownership documents (any of the following)
    • Tax invoice or telephone bill receipt
    • Service invoice
    • Tax invoice issued by the mobile phone service provider in case of a prepaid SIM

Remark :

  • In case the document stated in item 3 (proof of SIM card ownership) is not available, a certificate confirming that the juristic person is the owner of the SIM card may be used instead. The juristic person needs to contact the mobile phone service provider to request this certificate.
  • In case the juristic person is a government agency, embassy, or international organization that is unable to specify the name of the individual using the SIM card in the document stated in item 2 (Organization-issued certificate), the organization needs to contact the mobile phone service provider to request a certificate confirming its ownership of the SIM card to be used as a substitute document.

Those who need legal care
Incompetent persons, quasi-incompetent persons or persons with disabilities

Identification documents of being the user of KBank mobile banking service
  • National ID card (for Thai nationals) or
  • Passport / Alien ID card (for foreign nationals)
SIM card ownership documents (any of the following)
  • Tax invoice or telephone bill receipt
  • Service invoice
  • Tax invoice issued by the mobile phone service provider in case of a prepaid SIM
Government-issued or certified documents
  • Court order appointing a guardian
  • Document appointing a curator per the court order
  • Disability ID card