City Union Bank Customer Care Number

24 × 7 General Support

  • 044‑7122 5000 — Available across all states for phone, WhatsApp banking, transaction monitoring, grievance, and other support services.
    Support is available around the clock.
  • 044‑4816 3640 — Specifically for transaction monitoring and queries.

Email Support

WhatsApp Banking

  • Save +91 44 7122 5000 in your contacts and message Hi on WhatsApp to start banking with Lakshmi, CUB’s multilingual digital assistant.
  • Services available: balance check, mini statements, account opening links, debit card blocking, Form 15G/H update, interest rates, ATM locator, and more.

Missed-Call Banking (Balance/Mini Statement)

  • Balance enquiry: Give a missed call to 92781 77444 from your registered mobile; receive balance via SMS.
  • CUB Wallet link: Missed call to 92781 77555 sends instant app download link.

Blocking UPI / Net Banking Access

  • SMS from registered mobile: php-templateCopyEditBLOCK <Customer ID> Send to 92810 56789 to block UPI, net banking, or mobile banking access.

Quick Summary Table

PurposeContact MethodAvailability
General Support / Queries044‑7122 500024×7
Transaction Monitoring044‑4816 364024×7
Balance EnquiryMissed Call: 92781 77444Instant SMS reply
Wallet Link (App)Missed Call: 92781 77555Instant SMS link
WhatsApp Banking+91 44 7122 5000 via WhatsApp24×7
Block UPI/Net Banking AccessSMS BLOCK to 92810 56789Immediate
Email Support[email protected]Business hours
NRI Service Email[email protected]Business hours
Grievance Level I044‑7122 500024×7
Grievance Level II/III[email protected]Business hours

Best Practices & Tips

  • Always use your registered mobile number or email ID when contacting for support.
  • Never share OTPs, CVV, or banking credentials during support calls or chats.
  • Save the reference or complaint number after raising an issue for tracking.
  • Prefer digital services like WhatsApp or missed-call banking for quick, reliable support.