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

508-743-0192

ACS Official Housing Bureau, SPARGO, Inc.

Monday - Friday
8:30 AM - 5:00 PM ET
acshousing@spargoinc.com

571-583-0728
888-521-8588 (Toll Free)