AU Small Finance Bank Customer Care & Helpline Numbers
Toll free
1800 1200 1200
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Last verified Oct 2026 · numbers can change, confirm on the official site.
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About AU Small Finance Bank support
AU Small Finance Bank runs its customer care at 1800 1200 1200, answered 24x7. The line is meant for blocked cards, failed payments, disputed charges and account queries. For anything that is not urgent, writing to customercare@aubank.in usually gets a written reply you can refer back to. Keep your account or card number handy before you dial — and never share an OTP with anyone who calls you first.
All AU Small Finance Bank helpline numbers
Toll free
Banking services (alternate toll-free)
Credit cards
NRI services
Non-toll-free line (operator's rate)
WhatsApp Banking (send Hi, 24x7)
AU Small Finance Bank contact details
AddressAU Small Finance Bank Ltd, Corporate Office, 5th Floor, E-Wing, Kanakia Zillion, Junction of CST and LBS Road, Kurla West, Mumbai, Maharashtra 400070
AU Small Finance Bank helpline — questions
What is the AU Small Finance Bank customer care number?
The main AU Small Finance Bank customer care number is 1800 1200 1200 (Toll free). Any other numbers for the service are listed on this page with their labels, so you pick the right one.
Is the AU Small Finance Bank helpline toll-free?
Yes — 1800 1200 1200 is marked as toll-free, so the call costs you nothing from anywhere in India.
What are the AU Small Finance Bank customer care timings?
Published hours are 24x7. Outside these hours you may reach an IVR or be asked to call back.
What is the AU Small Finance Bank customer care email?
You can write to customercare@aubank.in. Email is the better option when you need a written record of the complaint.
My AU Small Finance Bank card is lost or I see a transaction I did not make. What now?
Call the helpline immediately and ask to block the card — speed matters more than anything else. Then raise the dispute through the official channel so it is tracked.
Other helplines
Helpline details are gathered from public sources and checked periodically. Numbers can change without notice — please confirm on AU Small Finance Bank’s official website before calling. We are not affiliated with AU Small Finance Bank.