Call center agents are available 8 a.m. to 6 p.m. ET, Monday - Friday, except national holidays. We accept VISA, Master Card, and American Express as payment options. We plan to have Online Stores outside the U.S. in the future and will be able to process international orders at that time. Until then, if you are outside of the U.S. and wish to place, you may contact our Customer Service group directly to have your order processed.