Contact MMRRC

For assistance submitting a strain to the MMRRC, call 800-910-2291.

Order inquiries

For questions regarding orders, contact MMRRC customer service via email, or call:

  • Toll free: 800-910-2291
  • International: +1-530-757-5710
  • Fax: 530-757-3284

Technical information

For inquiries regarding the selection or use of JAX® MMRRC strains, please use our technical support web form, or call:

  • Toll free: 800-422-6423
  • International: +1-207-288-5845

Representatives are available: Monday - Friday: 8am-8pm ET (5am-5pm PT)  

JAX Services inquiries

To request one of our JAX® services, use our services request form or call:

  • Toll free: 800-422-6423
  • International: +1-207-288-5845

The MMRRC is a collaborative effort supported by the National Center for Research Resources and the Office of Research Infrastructure Programs (ORIP) of the National Institutes of Health, Department of Health and Human Services.