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All SLFCU branches will be closed on Monday, February 18 in observance of Presidents' Day. Branches will resume regular hours on Tuesday, February 19.

SLFCU has observed an increase in fraudulent transactions on SLFCU debit cards. Learn more.

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Sandia Laboratory Federal Credit Union Sandia Laboratory Federal Credit Union Go to main content
Routing #307083911|
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Availability Schedule

Online banking gives you real-time access to your accounts.

Occasionally the system must be taken offline to perform regular back-ups and maintenance. Online banking may not be down during the entire maintenance window, but downtime during these hours is possible.

Regularly scheduled back-ups and maintenance (Mountain Time)

  • Monday-Saturday 11:00 p.m.-Midnight: system may be unavailable
  • Tuesday 11:00 p.m.-3:00 a.m.: system may be unavailable
  • Sunday 4:00 a.m.-9:00 a.m.: system may be unavailable
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