How to block UPI ID after mobile phone is stolen or lost?

If someone's mobile phone is stolen or lost, they must block their UPI ID due to security reasons. Google Pay users can call 1-800-419-0157, while PhonePe users can call 0806–8727–374 and Paytm users can call 0120-4456-456. After verifying relevant information, customer care executives will block the ID. Paytm users can also submit details in 24x7 help section on website.