If you have any doubts about luggage, flight booking, window seat, refund, etc., we will provide you with all the information you need to contact Copa Airlines customer service. Now you can dial the Copa Airlines phone number, +1 (802) 304 5670, and there are other options to contact customer service. They will take your call and solve your queries if you need them.
Source: https://www.farestrips.com/blogs/how-do-i-speak-to-someone-at-copa-airlines