Contact Us

If you are in need of Technical Support, please email us a description of your issue and submit a problem report by going to Help/Submit Problem Report. We will respond to your issue via email as soon as possible between 10:00 AM and 4:00 PM (CST), Monday - Friday. Any Technical Support Incidents requested after 3:30 PM will be replied to the following business day.

Holiday Hours: Closed January 20, 2020, in observance of Martin Luther King, Jr day.

If you require assistance during this time, please send us an email with a description of your issue by clicking the link below and a Problem Report by going to Help/Submit Problem Report from your C21 menu. We will respond to your request when we reopen for normal business hours.

21st Century Payroll for Adagio
P.O. Box 66561
Austin, TX 78766-9998
Fax: (737) 200-1177

Click here to contact technical support.

Click here to contact customer service.