Karnataka Bank offers dedicated customer support to its credit cardholders. If you hold a Karnataka Bank credit card, you can reach the bank through the toll-free numbers 1800 425 1444 or 1800 572 8031 using your registered mobile number. You can also write to the bank at info@ktkbank.com. NRI customer can reach the bank on a separate helpline number 080 220 21555.
The customer care details for Karnataka Bank are as follows:
Service | Contact Number |
Customer support number (toll-free) | 1800 425 1444 |
Customer support number (toll-free) | 1800 572 8031 |
NRI customer support number | 080-220 21555 |
WhatsApp customer support number | +91 9632188999 |
Customer support email | info@ktkbank.com |
Registered office number | +91 824 2228222 |
Registered fax number | +91 824 2225588 |
If you are a Karnataka bank credit cardholder, and your credit card is either lost or stolen, you need to report it immediately to the bank to prevent any fraudulent activities. To do so, you can contact the bank’s customer care support on 1800 425 1444 or 1800 572 8031. You can also write a mail on info@ktkbank.com explaining the situation in detail.
For all complaints, your first point of contact should be the bank's customer care centre. You can call, write to, or email your query to Karnataka Bank's customer care executives.
If the response you have received is not satisfactory, you can follow these steps:
Chief Manager, Karnataka Bank Ltd.
Customer Service & Grievance Redressal Cell
Head Office, Mahaveera Circle
Kankanady, Mangaluru
Karnataka
You can also submit a complaint online. All you need to do is navigate to the ‘Raise your Concerns’ page and submit your complaint or feedback.
Keep the following information handy if you wish to use this portal to submit a complaint:
Once you submit a complaint, you will receive a ticket number. This number can be used to track the status of your complaint.
If none of these methods help you in solving your query or providing an adequate solution to your problem, you can contact the banking ombudsman. The ombudsman is appointed by the Reserve Bank of India to help customers who have faced problems while trying to address a problem with their bank.

You may have to provide details like a registered mobile number, Karnataka Bank account number, and other related information for verification.
No, you will not be charged for contacting Karnataka Bank’s customer care if you reach the service through toll-free numbers 1800 425 1444 or 1800 572 8031.
Yes, Karnataka Bank has a separate customer support number for NRI customers. They can reach the bank at 080-220 21555 in case of grievances.
Yes, you can call the Karnataka Bank customer care to block your credit card immediately in case of loss, theft, or any suspected fraudulent activity.
Yes, you can call Karnataka Bank customer care to find out more about the fees and charges related to credit cards.

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