Hours of Operation
8 a.m. to 5 p.m. central standard time, Monday through Friday
For specific matters, please try one of the email addresses or phone numbers listed below.
Customer Service—The Chicago Manual of Style Online
For general inquiries such as payment or credit issues concerning your CMOS Online subscription, or if you have changed email addresses since subscribing, our contact info is below.
Email cmoshelpdesk@press.uchicago.edu
Phone 1-877-705-1878 (US and Canada) or 1-773-753-3347 (International).
Customer Service—The Chicago Manual of Style, Print Editions
For delivery, payment, or credit issues concerning book purchases, please email the Chicago Distribution Center.
Email custserv@press.uchicago.edu
Phone 1-800-621-2736 (US and Canada) or 1-773-702-7000 (International).