** Current Announcements **
Scheduled Maintenance Notice – IOB Mobile Banking
Please be informed that IOB has scheduled a maintenance activity for its Mobile Banking application. During the maintenance window, IOB Mobile Banking services will be temporarily unavailable.
Maintenance Schedule
Date: 18 August 2026
Time: 21:30 (Thailand Time)
Expected Duration: Approximately 2 hours
We apologize for any inconvenience this may cause and appreciate your understanding.
** Past Announcements **
Temporary Suspension of Services - as of 11 May 2026
Mobile banking services of Indian Overseas Bank will be temporarily unavailable due to system maintenance and enhancements.
Downtime Schedule:
14 May 2026: 20:30 hrs onwards (Approximately 2 hours) (Thailand Time)
Please plan your transactions in advance.
We sincerely apologize for any inconvenience caused.
For further information, please contact us at (+66) 02-224-5411-4 (Ext. 03, 04, 08).