Nationalized Banks toll-free numbers. 1 Bank of Baroda 1800 5700 2 Bank of Maharashtra 1800 233 4526 3 Central Bank of India 1800 3030 4 Indian Bank 1800 4250 0000 5 Union Bank of India 1800 22 2244 6 UCO Bank 1800 103 0123 7 Bank of India 1800 103 1906 8 Canara Bank 1800 1030 9 Indian Overseas Bank 1800 425 4445 10 Punjab National Bank 1800 1800 11 Punjab & Sind Bank 1800 419 8300