Contact Us

Contacting the Consolidated Customer Assistance Center (CCAC)
When to Contact CCAC Users should contact CCAC when assistance is needed for unclassified problems, issues, or questions.
Hours of Operation 7:00 a.m. - 10:00 p.m. Central, Monday - Friday (excluding Federal holidays).
CCAC Home Page http://centers.hpc.mil/
Phone Number 1-877-CCAC-039 (1-877-222-2039) or (937) 255-0679
Fax Number (937) 656-9538
Help E-mail help@ccac.hpc.mil
Accounts E-mail accounts@ccac.hpc.mil
After Hours Calls, e-mails and tickets received after normal operating hours will be addressed the following business day.
Mailing Address DoD HPCMP Consolidated Customer Assistance Center
AFRL/RCM
2435 Fifth Street
Wright-Patterson Air Force Base, OH - 45433-7802
Ticket Requests Active users may submit requests from the CCAC User Portal.
Inactive users may submit requests from the Inactive User Help Ticket.
Contacting the ERDC DSRC
When to Contact ERDC Users should contact ERDC when assistance is needed for after-hours support.
Hours of Operation 5:00 p.m. - 7:00 a.m. Central, 24/7 (excluding Federal holidays)
Phone Number 1-800-500-4722 or (601) 634-4448
Fax Number (601) 634-2622
Help E-mail dsrchelp@erdc.hpc.mil
Accounts E-mail hpc-accounts@erdc.hpc.mil
After Hours ORS users should contact the ERDC Operations Bridge after-hours for emergency assistance or in case of system failure. ORS users should request that serious system issues be forwarded to the on-call system administrator.
Mailing Address U.S. Army Engineer Research and Development Center
ATTN: CEERD-IH-D HPC Service Center
3909 Halls Ferry Road
Vicksburg, MS 39180-6199
Ticket Requests N/A