This page lists the IFSC code, branch address, contact number and fund-transfer information for CSB Bank Limited, SOUTHKERALAZONE branch in THIRUVANANTHAPURAM. The 11-digit IFSC CSBK0000903 uniquely identifies this branch in the RBI's centralised payments network and is required for every NEFT, RTGS or IMPS transaction routed to this branch. If you are paying somebody who banks with CSB Bank Limited at the SOUTHKERALAZONE location, this is the only IFSC you need.
We have organised this page into clearly labelled sections so you can jump straight to the part that interests you — the IFSC and MICR details, the full postal address, the contact phone number, a quick primer on NEFT, RTGS and IMPS, the typical product line-up at the branch, and a frequently asked questions section that addresses the queries people raise most often about this branch.
The Indian Financial System Code, popularly known as IFSC, is an 11-digit alphanumeric code that the RBI assigns to every bank branch participating in online interbank settlement. Without this code, an electronic transfer simply cannot reach its destination branch.
The IFSC for CSB Bank Limited – SOUTHKERALAZONE is CSBK0000903. The first four letters CSBK are the bank's identifier, the fifth digit is reserved as 0, and the trailing six characters 000903 map to this branch in THIRUVANANTHAPURAM, KERALA.
Branch details at a glance
| Bank Name | CSB Bank Limited |
|---|---|
| Branch | Southkeralazone |
| IFSC Code | CSBK0000903 |
| MICR Code | Refer to cheque leaf |
| Branch Address | 1STFLOOR MALANKARABUILDINGCOMPLEX UNIVERSITYCAMPUSPO PALAYAM THIRUVANANTHAPURAM 695034 KERALA |
| City | Thiruvananthapuram |
| District | Thiruvananthapuram |
| State | Kerala |
About the bank
CSB Bank Limited serves retail and corporate customers with a full range of deposit, lending, payments and digital banking products. Its Southkeralazone branch in Thiruvananthapuram, Kerala is part of this network and uses the IFSC code CSBK0000903 for all electronic settlement.
About this branch
The branch is located at 1STFLOOR MALANKARABUILDINGCOMPLEX UNIVERSITYCAMPUSPO PALAYAM THIRUVANANTHAPURAM 695034 KERALA. It serves the Thiruvananthapuram region and is connected to the bank's core banking platform, which means transactions initiated here are instantly visible across all other branches of CSB Bank Limited. The IFSC CSBK0000903 is used to identify this branch on the RBI payments network.
The role of IFSC in India's payments network
India's electronic payment infrastructure — NEFT, RTGS, IMPS, UPI and the National Automated Clearing House (NACH) — is built on a single principle: every participating bank branch must be uniquely identifiable by an alphanumeric code. The Reserve Bank of India introduced the IFSC system to fulfil this requirement, and that is how CSB Bank Limited's SOUTHKERALAZONE branch came to be assigned the code CSBK0000903.
Whether you are receiving a salary on the first of the month, paying a vendor invoice, settling an EMI, or accepting a refund from an e-commerce platform, the IFSC is the silent piece of metadata that tells the network where your account lives. Without IFSC CSBK0000903, money simply cannot be routed to the SOUTHKERALAZONE branch electronically.
How to transfer money using IFSC CSBK0000903
Online transfers in India are powered by three major channels — NEFT, RTGS and IMPS — and each one requires a destination IFSC. Below is a quick guide for using IFSC CSBK0000903 across all three.
NEFT to CSB Bank Limited, SOUTHKERALAZONE using IFSC CSBK0000903
National Electronic Funds Transfer is the simplest way to move money into an account at this branch. NEFT works around the clock, including Sundays and public holidays, and settles in half-hourly batches.
To send funds, add the recipient as a beneficiary in your bank's online portal, key in the account number, paste the IFSC CSBK0000903, and confirm that the system picks up CSB Bank Limited – SOUTHKERALAZONE. Submit the transfer request, authenticate with OTP, and the amount will reach the beneficiary in the next clearing cycle.
Real-Time Gross Settlement to SOUTHKERALAZONE
If you need to transfer ₹2 lakh or more in one go to an account at CSB Bank Limited's SOUTHKERALAZONE branch, RTGS is the right channel. Each transaction is settled individually in real time. Use IFSC CSBK0000903 while initiating the transfer and the credit will appear within minutes.
IMPS to CSB Bank Limited SOUTHKERALAZONE (IFSC CSBK0000903)
IMPS (Immediate Payment Service) offers instant, 24x7 fund transfers up to ₹5 lakh per transaction. Provide the beneficiary's account number along with IFSC CSBK0000903 in your mobile or internet banking app, and the money is credited to the SOUTHKERALAZONE branch account within seconds.
Comparing NEFT, RTGS and IMPS for transfers to Southkeralazone
The right transfer rail depends on how urgent the payment is, how large it is, and whether the receiving bank participates in the chosen scheme. Every option below works with the IFSC CSBK0000903:
- NEFT — best for everyday transfers of any amount; settles in half-hourly batches around the clock.
- RTGS — best for transfers of ₹2 lakh and above; settles each transaction individually in real time.
- IMPS — best when speed matters more than batch scheduling; instant credit up to ₹5 lakh.
- UPI — best for small peer-to-peer payments using a VPA; the underlying account at SOUTHKERALAZONE is still linked to IFSC CSBK0000903.
For salary credits, vendor payouts and refunds, employers and merchants usually default to NEFT because of its zero per-transaction cost for retail customers and its 24x7 availability.
How UPI relates to the IFSC code
UPI lets you pay using a short Virtual Payment Address instead of typing the IFSC every time, but behind the scenes every UPI mandate is mapped to an account number plus an IFSC. For accounts at CSB Bank Limited's SOUTHKERALAZONE branch, the IFSC CSBK0000903 is what the National Payments Corporation of India (NPCI) uses to route the credit when you tap Pay on a UPI app.
That is why, even in the UPI era, it is still worth knowing the IFSC of your home branch — for failed UPI mandates, e-mandate set-ups, third-party platform onboarding and salary or refund credits.
Products and account variants supported
Every account opened at the Southkeralazone branch is mapped to IFSC CSBK0000903 on the RBI payments network. The branch generally supports the full retail product catalogue of CSB Bank Limited, including:
- Resident savings accounts and salary accounts
- Current accounts for businesses and professionals
- Fixed deposits, recurring deposits and tax-saver deposits
- Demand drafts, banker's cheques and pay orders
- Retail loans — personal, vehicle, education, gold and home
- Credit cards and overdraft facilities (subject to eligibility)
- Third-party investment products such as mutual funds and insurance (through tie-ups)
Whichever product you choose, the IFSC for incoming credits remains CSBK0000903.
Products and services
Customers walking into the Southkeralazone branch can access most of CSB Bank Limited's standard product suite, including:
- Account opening – savings, current, NRI, salary
- Term deposits and recurring deposits
- Retail and small-business loans
- Insurance and mutual-fund tie-ups
- Locker, safe deposit and ATM card services
- Online and mobile banking activation
- Electronic transfers via IFSC CSBK0000903
MICR code & cheque clearing
Apart from IFSC, every cheque book issued by CSB Bank Limited carries a 9-digit MICR (Magnetic Ink Character Recognition) code that is read by cheque-sorting machines. The MICR code, the IFSC CSBK0000903 and the account number together uniquely identify the Southkeralazone branch and your account. The MICR for this branch is printed at the bottom of your cheque leaves.
Digital banking channels
Most day-to-day work that customers used to do at the Southkeralazone branch counter can now be completed digitally — adding a beneficiary, transferring funds, applying for a fixed deposit, raising a service request or downloading account statements. The IFSC CSBK0000903 is the link between the digital channel and the branch ledger; once a transaction is confirmed, the credit or debit is reflected in the same core banking system that the branch officers see.
Common mistakes to avoid when using IFSC CSBK0000903
An incorrect IFSC almost always results in a failed transfer or, worse, a credit to the wrong branch. Before you click Confirm on a transfer to CSB Bank Limited – SOUTHKERALAZONE, double-check for these issues:
- Confusing 0 with O. The fifth character of every IFSC is the digit
0, not the letter O. Read carefully. - Spaces or hyphens. Do not put spaces in the IFSC. It is exactly 11 characters:
CSBK0000903. - Wrong branch. A bank can have dozens of branches in the same city. Make sure you are using the IFSC for the actual branch where the beneficiary holds the account, not just any nearby branch.
- Old IFSC after a merger. If two banks have merged, the IFSC may have been reissued. Always verify with a recent passbook or cheque leaf.
- Copy-paste from chat. Auto-correct on phones can silently change letters in IFSC codes. Type carefully or copy from a trusted source like the cheque book.
Reaching the branch
The Southkeralazone branch sits at 1STFLOOR MALANKARABUILDINGCOMPLEX UNIVERSITYCAMPUSPO PALAYAM THIRUVANANTHAPURAM 695034 KERALA. If you are travelling from outside Thiruvananthapuram, search for the branch on a maps application using the bank name and locality, or call the branch contact number to ask for landmarks. Many customers find it easier to skip the trip altogether: net banking, mobile apps, NEFT, RTGS, IMPS and UPI all work using the IFSC CSBK0000903 and your account number.
Verifying IFSC CSBK0000903 from official sources
The IFSC listed on this page is sourced from the RBI's master list and validated against the bank's branch directory. To double-check before transferring large sums, you can also confirm CSBK0000903 by:
- Looking at the cheque leaf – IFSC is printed near the MICR band.
- Opening the passbook's first page.
- Calling the branch directly on the branch contact number.
- Visiting the bank's official branch locator page.
Working hours
Branch counters at Southkeralazone are usually open from 10 AM to 4 PM on weekdays. Saturdays follow the RBI's alternate-Saturday rule. Even when the branch is closed, NEFT, RTGS, IMPS and UPI transfers addressed to CSBK0000903 continue to work without interruption.
Branch address & contact
CSB Bank LimitedSouthkeralazone Branch
1STFLOOR MALANKARABUILDINGCOMPLEX UNIVERSITYCAMPUSPO PALAYAM THIRUVANANTHAPURAM 695034 KERALA
Thiruvananthapuram, Kerala
Phone: the branch contact number
IFSC: CSBK0000903
Frequently asked questions
How quickly will an NEFT transfer using CSBK0000903 be credited?
NEFT settles in half-hourly batches around the clock. Most transfers to CSB Bank Limited – Southkeralazone reflect within 30 minutes.
Where is CSB Bank Limited Southkeralazone branch located?
CSB Bank Limited's Southkeralazone branch is located at 1STFLOOR MALANKARABUILDINGCOMPLEX UNIVERSITYCAMPUSPO PALAYAM THIRUVANANTHAPURAM 695034 KERALA, Thiruvananthapuram, Kerala.
How do I add CSB Bank Limited Southkeralazone as a beneficiary?
Log in to your internet or mobile banking app, go to Add Beneficiary, enter the account number and IFSC CSBK0000903, and complete OTP verification. Once activated, you can transfer funds at any time.
Does CSB Bank Limited Southkeralazone branch offer locker facilities?
Locker availability depends on branch size and customer demand. Please contact the branch on the branch contact number to confirm.
What is the IFSC code of CSB Bank Limited Southkeralazone branch?
The IFSC code of CSB Bank Limited, Southkeralazone branch is CSBK0000903. It is used for NEFT, RTGS and IMPS fund transfers to this branch.
Is IFSC CSBK0000903 valid for NEFT and RTGS?
Yes. IFSC CSBK0000903 is valid for all RBI-supported electronic transfer channels including NEFT, RTGS and IMPS.
Can I use IFSC CSBK0000903 for IMPS transfers?
Yes. IMPS works 24x7 and you only need the beneficiary's account number plus IFSC CSBK0000903 to send funds instantly.
Final notes
To recap: CSBK0000903 is the IFSC code of CSB Bank Limited, SOUTHKERALAZONE branch, in THIRUVANANTHAPURAM, KERALA. It is required for every electronic transfer to an account held at this branch. We keep this page updated with the latest address and contact details, so you can rely on the information here for your day-to-day banking needs.


