What is the helpline no of CPC Bangalore? All India ITR February 13, 2018 10:11 Updated Follow The helpline numbers for CPC Bangalore are: 1800-425-2229 this is a toll-free no and the chargeable No is 080-22546500. Worried about your income tax return? We can help. Reach us here. Comments 0 comments Please sign in to leave a comment.