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LoansJagat Team

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21 Dec 2025

City Union Bank Account Number: Format, Details & Guide

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 Key Takeaways
 

  • Your City Union Bank account number is a unique 15-digit identifier.
     
  • Locate your City Union Bank account number through passbooks, mobile banking, etc.
     
  • Protect your City Union Bank account number starting digits by never sharing credentials.
     
  • A City Union Bank account number is a unique 15-digit numeric identifier used for all banking and digital transactions.
     
  • You can perform a City Union Bank account number check via passbook, net banking, mobile app, statements, or branch visit.
     
  • City Union Bank account number digits are mandatory for UPI, NEFT, RTGS, IMPS, salary credits, and branch services.

Have you ever wondered what makes your City Union Bank account number unique? This 15-digit identifier is your financial passport, enabling everything from online transactions to branch visits. Your City Union Bank account number connects you to all banking services. It makes it essential to know how to find, use, and protect this crucial number.

A City Union Bank account number is a unique 15-digit numeric code assigned to each customer’s account. The City Union Bank account number starting digits help identify your specific account within the bank’s system. This number serves as your primary identifier for all banking operations, deposits, withdrawals, and digital transactions.

When I opened my savings account at City Union Bank, I received my City Union Bank account number: 123456789012345. I use this number daily for net banking login, salary credits, and providing the City Union Bank account number digits when transferring funds via UPI. Whenever I need to perform a City Union Bank account number check, I simply log into my mobile app or refer to my passbook for quick verification.

How to Find City Union Bank Account Number

If searching your account number feels like hunting treasure, relax, here the map is simple.No decoding, no drama, just a few taps or a quick flip of your passbook page.

  • Bank Passbook and Cheque Book: The passbook’s first page displays your City Union Bank account number along with personal details. The cheque book also carries the account number printed on the front.
  • Account Statements: Monthly statements, whether downloaded online or emailed, always show the City Union Bank account number at the top or within the account summary.
  • Internet and Mobile Banking: Log in via CUB Net Banking or the mobile app. The dashboard lists all accounts by their City Union Bank account number starting digits, showing the complete 15-digit number for easy reference.
  • Customer Care Support: Call CUB’s 24x7 customer service for a City Union Bank account number check after identity verification, or use the Virtual Assistant ‘Ask Lakshmi’ on the official website for instant help.
  • Branch Visit: Visit any CUB branch with a valid ID proof to request your account number. Staff will verify your identity and provide the details in person, making it the best option for a City Union Bank account number search when online methods don’t work.

With multiple access points available, retrieving your City Union Bank account number digits is quick and hassle-free through your preferred channel.

How to Use a City Union Bank Account Number 

Your account number isn’t just a string of digits, it’s the backstage pass for every banking move you make. Want UPI, transfers, salary credits? Everything waits for this magic number.

  • Start Online Banking Journeys: Use your City Union Bank account number to activate and access net banking or mobile banking services. During registration, enter the 15-digit account number along with your registered mobile for instant onboarding. After login, leverage the number to view balances, generate statements, and set up secure fund transfers anywhere.
  • Enable UPI and Mobile Money Moves: Link your City Union Bank account number with UPI apps for instant payments. Users can send and receive money by providing this number as their financial address, especially for direct bank-to-bank transfers or when collecting funds using QR codes or UPI numbers. For wallet registration, input the account number to connect with CUB’s digital services.
  • Make Efficient Branch Transactions: At any CUB branch, present your City Union Bank account number starting digits for cash deposits, withdrawals, cheque processing, or service requests. The staff rely on it for identification and to fetch your records, so bringing that number smooths every in-person transaction.

Whether managing finances digitally or at the branch, your City Union Bank account number remains the key identifier for all banking operations.

Security Tips for City Union Bank Account Number

Treat your account number like a Netflix password, share it only with people you'll bet your kidneys on. One wrong click, one shady link, and you just sponsored someone’s chai party.

Keep your City Union Bank account number secure with these vigilant practices:

  • Keep Your Account Number Confidential: Never share your City Union Bank account number, PIN, OTP, CVV, password, or login credentials with anyone, even if they claim to be from the bank.
  • Use Multi-Factor Authentication (MFA): Enable multi-factor authentication on net banking and mobile banking platforms to add layers of security, such as OTPs, soft tokens, or digital signatures during login and transactions.
  • Beware of Phishing and Fraud: Be cautious of phishing emails, fake websites, or fraudulent calls asking for your City Union Bank account number starting digits. Always access banking services through official channels only.
  • Regular Monitoring and Reporting: Regularly monitor your account transactions and alert the bank immediately for any unauthorised activity through City Union Bank’s 24/7 customer support.
  • Avoid Public Wi-Fi for Transactions: Do not conduct banking transactions or perform a City Union Bank account number search over public or unsecured Wi-Fi networks to prevent interception of sensitive information.

Follow these precautions to ensure your City Union Bank account number digits and financial data remain secure from cyber threats and fraud.

Structure of City Union Bank Account Number

It may look random, but every digit has a job, this number isn’t chaos, it’s code. Think of it like a perfectly organised digital barcode for your money.

Account Number Length and Format

The City Union Bank account number typically consists of 15 digits. This 15-digit format is used during net banking registration and mobile banking app setups, where you need to input this exact number to access digital services.

Relation with IFSC Code

While the account number is distinct, every City Union Bank branch has its unique 11-character alphanumeric IFSC code. The IFSC code comprises the first four letters representing the bank name (CIUB), a zero, and then six digits representing the specific branch. Although related through branch banking, the IFSC code is separate from the actual account number.

General Pattern

The City Union Bank account number digits do not follow a publicly detailed alphanumeric pattern and remain a numeric-only string. The fixed 15-digit length is standardised for all customers’ accounts, simplifying banking operations and digital identification.

Conclusion

Your City Union Bank account number is essential for seamless banking operations. Whether you perform a City Union Bank account number check online or conduct a City Union Bank account number search at branches, understanding the City Union Bank account number starting digits ensures secure access to all services and protects your City Union Bank account number digits from fraud.

Bonus Tip: A recent Times of India report says that City Union Bank introduced new safety checks to stop online fraud in customer accounts. The bank now sends instant alerts for risky logins and unusual payments. You should keep your mobile number updated and check your account often.

Bonus Tip: Enable SMS and push notifications on your City Union Bank mobile app to instantly alert you of debit or credit activity. It will help you detect fraud early and secure your City Union Bank account number digits. Official CUB net-banking features include such notifications to protect your account.

FAQs

Q: How many digits are in a City Union Bank account number?

A: The City Union Bank account number consists of 15 digits, which is the standard format used for all customer accounts across net banking, mobile banking, and branch transactions.

Q: How do I get a new passbook from City Union Bank?

A: You can obtain a new passbook free of charge once the old one is filled. If it’s missing, pay a fine, bring identity proof, and submit a written application with your City Union Bank account number at the branch.

Q: How do I delink a bank account number from Aadhaar to link it with another account?

A: Ensure your City Union Bank account number status is inactive on the NPCI website. Then visit your branch, request an Aadhaar seeding form, fill it with your new City Union Bank account number digits, and submit it for processing.

Q: What are the key benefits of City Union Bank accounts?

A: City Union Bank offers zero balance accounts, 1.25% cashback rewards, excellent customer service, and full UPI support for digital transactions.

Q: What types of accounts does City Union Bank offer?

A: City Union Bank provides zero balance accounts like Yuva Mitra and Young India Account for students, accessible through your City Union Bank account number and the starting digits of your City Union Bank account number.
 

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