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 problem reports or system inquiries)

Hours: 24/7, 365 days a year 

menu option 2

or or  

Hours: Monday - Friday 8-5 Pacific 

menu option 3



Hours: Monday - Friday 8-5 Pacific

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
Kathy Kincade
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 Phonebook.

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 password online at
  • If you have forgotten your password, use the Reset your password? link on the IRIS login page.
  • If you cannot change your password online, call 800-666-3772, option 2 or option 3 Monday - Friday 8-5 Pacific.
Account Issues
  • Call NERSC Account Support at 800-666-3772 option 2, or 510-486-8612 Monday - Friday 8-5 Pacific.
  • Send email to
  • Use the NERSC Help Desk application. (24/7)
System Status (24/7)
  • See our Live Status web page.
  • Call NERSC Computer Operations at 800-666-3772 option 1, or 510-486-8600.
Computer Security
  • Talk to a consultant 800-666-3772 option 3 or 510-486-8611, Monday - Friday 8-5 Pacific or NERSC Operations during off-hours.
  • Send email to
Urgent issues (24/7)
  • Call NERSC Computer Operations at 800-666-3772, option 1, or 510-486-8600.
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