Union Bank of India, SIWAN
| Branch | SIWAN |
| Branch Code | 551210 |
| Bank | Union Bank of India |
| Address | LAL COMPLEX CHOWK BAZAR STATION ROAD SIWAN BIHAR |
| Zip Code | 841226 |
| City | Siwan |
| District | SIWAN |
| State | BIHAR |
| Phone No. | (06154)-244289 |
| MICR Code | NON-MICR |
| IFSC Code | UBIN0551210 (IFSC Code is used for payment applications such as NEFT, RTGS and IMPS) |
| Weekly Holiday | Second and Fourth Saturdays and all Sundays |