I keep seeing posts on Reddit about sellers making this mistake, so I thought I would post this warning.
There is no number that a buyer or seller can call to talk to Etsy customer service. The only way to talk to a customer service representative at Etsy is to request a call-back through the Etsy site.
The phone number that has been coming up for people when they try to use Google to get the Etsy phone number is a scam. Whoever answers the number tries to trick the caller into downloading an app on their phone to resolve their problem. I have no idea what this app would do, because I have not read about anyone actually falling for the scam. But, Etsy will NEVER ask you to download an app to your phone for any reason.
I hope this note keeps sellers from falling for this scam.