Indian Overseas Bank, GANGTOK
| Branch | GANGTOK |
| Branch Code | 001624 |
| Bank | Indian Overseas Bank |
| Address | ARCADE KAZI ROAD GANGTOK |
| Zip Code | 737101 |
| City | Gangtok |
| District | EAST SIKKIM |
| State | SIKKIM |
| MICR Code | 737020001 |
| IFSC Code | IOBA0001624 (IFSC Code is used for payment applications such as NEFT, RTGS and IMPS) |
| Weekly Holiday | Second and Fourth Saturdays and all Sundays |