Sign up and manage your deferred compensation retirement account. Contact them Monday – Friday, from 8 a.m.Com or call 800.937.7604. For more information on loans, contact the. Louisiana Deferred Compensation Plan at (800) 937-7604. Then, contact a deferred comp representative at 1.866. 737.7457 to discuss the rollover process. OPM is here to help you transition from serving the American people to enjoying your retirement. These links are useful to new and existing retirees. Reach out if you have questions about your workplace retirement plan.