How do I contact someone at Sezzle? September 21, 2019 14:30 You can reach out to their shopper support team here If you need to talk to someone on the phone, no problem, you can reach Sezzle at +1 (888) 540-1867. Hours are 8:30-5, CST. Related articles What happens if I miss a Sezzle re-payment? What payment types are accepted? What are the shipping costs and options for the UK & EU? What is Sezzle and how does it work? Can I pay for doppel in installments? Comments 0 comments Please sign in to leave a comment.