What is IfOnly's phone number? January 10, 2019 18:31 Updated Follow You may contact IfOnly at 415-376-4640. Feel free to call us during business hours. (9am–6pm PT M-Th, 9am-5pm F) Related articles Who is the GoodCoin Foundation? I can't login. How do I reset my password? What portion of proceeds goes to charity for each order? How do I confirm the date and time of an experience that a customer has purchased? Auction Tips for Bidders Comments 0 comments Please sign in to leave a comment.