| Kottiyam Dist. Kollam | Union Bank Of India | Kollam | Neela Buildings, At & Post Kottiyam,dist. Kollam, Kerala,pin - 691 571. |
| Kollam Quilon | Union Bank Of India | Kollam | Krishnakumar Building, P.b.no. 182,chinnakkada, Dist. Kollam,kerala, Pin - 691 001. |
| Kottarakkara | Union Bank Of India | Kollam | Vimalambika Complex,quilon Stai Road, Pulamon P.o.,dist. Kollam, Kottarakkara -691 531, Ker |
| Karunagappally | Union Bank Of India | Kollam | Azhar Towers, K. P. Ix/3,lalaji Junction, Karunagapally,kollam Dist. Kerala - 690 518. |
| Kollam Civil Station | Union Bank Of India | Kollam | 24/1206/736a, Devapriya Complex,high School Junction, Thevally,p.o. Kollam, Kerala - 691 009. |
| Punalur | Union Bank Of India | Kollam | Sara Shopping Complex T B Junction Punalur 691331 Kerala |
| Kundara | Union Bank Of India | Kollam | Pushpangalam Building Opp Kundara Rly Station |
| Pathanapuram | Union Bank Of India | Kollam | Plavilayil Building Pathanapuram (kollam) Kerala 689695 |
| Edamulackal Ayur | Union Bank Of India | Kollam | Ward 13, Building 263 Ayur Po,edamulackal Kollam Kerala Pincode-691533 |
| Pallimukku | Union Bank Of India | Kollam | Ss Tower Madan Nada Pllimukku Kollam Kerala 691014 |
| Regional Office Kollam | Union Bank Of India | Kollam | Apoorva Chambers, Tc 14/2143(2),sunny Meads Lane, Palayam |
| Quilon | Union Bank Of India | Kollam | N K Buildingdoor No.1260/579-a,beach Road |
| Kundara | Union Bank Of India | Kollam | Kunnel Galia Building,hospital Junction,kundara,kollam,kerala,691504 |
| Pallimukku | Union Bank Of India | Kollam | Shajihan Bldg,pallimukku,kollam 691010 |
| Channapetta | Union Bank Of India | Kollam | No.ix506b, I Floor, Ushas,channapetta Junction,kollam District,kerala State,pin 691311 |
| Kollam | Union Bank Of India | Kollam | Visalakshi Mansion, Main Rd, Kollam 691001 Kerala |
| Alappad | Union Bank Of India | Kollam | Ssv Karayogam Bldg,alappad,po Cheriazeekal 690573 |
| Alumkadavu | Union Bank Of India | Kollam | Door No.kpix453 Main Road, Alumkadavu Po 690573 |
| Thrikkaruva | Union Bank Of India | Kollam | Bhaskar Bldg,main Road,thrikkaruva,po Kanjaveli 691602 |
| Ummannoor | Union Bank Of India | Kollam | Paravila Bldg,ummannoor 691547 |
| Cheriazheekal | Union Bank Of India | Kollam | Karunagappally, Kollam District, Kerala, Cheriazheekal690573 |
| Kottarakkara | Union Bank Of India | Kollam | Tharakans Bldg,pulamon Po M.c Road,kottarakkara 691531 |
| Pavumba | Union Bank Of India | Kollam | First Floor, Paradayil Building, Palamoodu, Pavumba690574 |
| Kuttivattom | Union Bank Of India | Kollam | Pp 13 953 Karamel Building Kuttivattom Junction Kuttivattom Karunagapally Taluk Kollam Dist Kerala |