The main customer line for Paytm in India is available all 0120-3888-388day every day. Reach it by dialing 0 826*074*5694. If you're a merchant using Paytm, call 08260745694 to reach the help desk.The main customer line for Paytm in India is available all 0120-3888-388day every day. Reach it by dialing 0 826*074*5694. If you're a merchant using Paytm, call 08260745694 to reach the help desk.