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Sikkim State Co-Operative (SISCO) Bank Customer Care No.

Updated on Thursday, 22 October 2026 - 5:12pm
Organization: 
All India Number(s): 
  • 03592-232 008 (For Contact Support)
  • 03592-231 005 (For ATM Related Queries)
Website: 
Official Website
iOS App: 
SISCO Mbanking
Android App: 
SISCO Mbanking

Important Links

To Block or Hotlist Debit Card

  • By Contact No.: To block your debit card you can contact at 03592-231005 (10am-5pm)
  • By SMS: Send an SMS to 9152101152 from registered number
    Temporary Block Message→TBLK <space> Last 6 digits of Card Number
    Temporary Unblock Message→TUNBLK <space> Last 6 digits of Card Number
    Permanent Card Blocking→PBLK <space> 15-digit Account Number
  • By Branch: Visit the nearest branch and submit a written request to block your card.

Branch Locators

Email: gangtok [at] siscobank [dot] com
IFSC Code: IBKL0108SIC (Same For All)

Sr No. Branch Name Contact No. Address
(Sikkim State Co-operative Bank Ltd-SISCO)
1 Gangtok 03592-202605 Hospital Dara, Gangtok, Sikkim - 737101
2 Geyzing 03595-251153 Gyalshing, West District, SH-510, Legship Gyalshing Road, Geyzing, Sikkim - 737111

Email: geyzing [at] siscobank [dot] com
3 Hee-Goan 9733914889 Sikkim State Co-operative Bank Limited (SISCO), Hee, Sikkim - 737113
4 Jorethang 9734055949 Jorethang, Sikkim - 737121
5 Mangan 03592-234042 Mangan, Sikkim - 737116
6 Namchi 03592-234042 Namchi - Nayabazar Rd, Namchi, Sikkim - 737126
7 Pakyong 8336918894 Pakyong, Sikkim - 737106
8 Ravangla 9647857947 Ravangla, Sikkim - 737139
9 Rongli 9635933857 Rongli, Sikkim - 737131
10 Singtam 03592-233287 Singtam Bazar, Singtam, Sikkim - 737134
11 Sombaria 7797893592 Sombaria Bazar, Sombaria, Sikkim - 737121
12 Soreng 7872961020 Soreng, Sikkim - 737121
13 Yangang 9679736794 Yangang, Sikkim - 737139

Grievance Redressal

Level 1:

  • For any query/complaint,you can contact the customer support team or visit your nearest branch .
  • You can also lodge your complaint online through this Complaint Form .

Level 2:

  • If your query is still not resolved, then you can RBI Banking Ombudsman at the details given below:
    Contact No.: 033-22310217, 033-22133353
    Email: cms [dot] bokolkata [at] rbi [dot] org [dot] in
    Address: C/O Reserve Bank of India, 15,
    Netaji Subash Road, Kolkata-700001
    Fax No: 033-22305899
  • You can also lodge your complaint online through the RBI Complaint Management System (CMS) Portal .

Head Office

Sikkim State Co-operative Bank Ltd.
SISCO Bank Head Office Tadong,
Gangtok, Sikkim 737102
Email: headoffice [at] siscobank [dot] com

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