From outside China 拼多多，which trades as Temu in the West, can be contacted by telephone on the number +86 (0) 21 53395288. If calling from within China you can simply dial 021 53395288.
Lines to the 拼多多 Pingduoduo customer service number in China are open between 8am and 9.30pm. Be mindful that this time will need to be adjusted to reflect your local time, if calling from outside of China.
Customers can call the Pinduoduo customer service line in China to report an issue with an order.