General Questions

NationalMeetings@acs.org

ACS Membership Services

Monday - Friday
8:30 AM - 5:00 PM ET
service@acs.org

1-800-333-9511 (US and Canada)
+1-614-447-3776 (Outside North America)

Abstract and Presenter Support

Monday - Friday
8:30 AM - 5:00 PM ET
maps@acs.org

1-800-333-9511 (US and Canada)
+1-614-447-3776 (Outside North America)

ACS Registration Customer Service Center

Monday - Friday
8:30 AM - 5:00 PM ET
acs@xpressreg.net

1-800-251-8629 (U.S. registrants)
+1-508-743-0192 (International registrants)

ACS Official Housing Bureau, ConferenceDirect

Monday - Friday
9:00 AM - 7:00 PM ET
acshousing@conferencedirect.com

1-844-293-7040 (US-based callers)
+1-704-837-4855 (International)