NERSCPowering Scientific Discovery Since 1974

Contact us

Technical Questions, Computer Operations, Passwords, Account Support

1-800-666-3772 (or 1-510-486-8600)

Computer OperationsAccount SupportHPC Consulting

menu option 1 
(for passwords and off-hours problem reports/inquiries)
Hours: 24/7, 365 days a year 

menu option 2 or or  
Hours: Weekdays 8-5 Pacific 

menu option 3 or 
Hours: Weekdays 8-5 Pacific 

or (On-line Help Desk)

NERSC Center Contacts

DirectorComputer AllocationsPublic information
Sudip Dosanjh
NERSC Director
Berkeley Lab, MS 59-4010A
1 Cyclotron Road
Berkeley, CA 94720-8150
phone: (510) 495-2488
fax: (510) 486-6459
NERSC Allocations
Jon Bashor
NERSC Communications
Berkeley Lab, MS 50B4236
1 Cyclotron Road
Berkeley, CA 94720-8148
phone: (510) 486-5849
fax: (510) 486-4300

Contact NERSC Staff

Contact information for NERSC staff members is available from Berkeley Lab Directory Services.

Contacts by Issue

NERSC provides a wide array of help and services to its High Performance Computing users. Please check the table below to identify the best way to get answers to your questions or to resolve your issues.  NERSC's business hours are M-F 8am-5pm Pacific Time. A limited number of services and urgent matters are handled by NERSC Computer Operations after business hours.

IssueHow to get Help
HPC Consulting
  • Programming advice
  • How to run jobs
  • Code debugging
  • Code performance issues
  • Anything not listed elsewhere in this table
Passwords (24/7)
  • Change your forgotten password online at
  • If you cannot change your password online, call NERSC Computer Operations at 800-666-3772, option 1, or 510-486-6821.
Account Issues
System Status (24/7)
  • See our Live Status web page.
  • Call NERSC Computer Operations at 800-666-3772 option 1, or 510-486-6821.
Computer Security
  • Talk to a consultant (800-666-3772 option 3 or 510-486-8611)
  • Send email to
Urgent issues (24/7)
  • Call NERSC Computer Operations at 800-666-3772, option 1, or 510-486-6821.
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