What is the phone number for fers? Contact Fers. For your convenience to contact Fers We have provided all possible information of Fers. You can contact Fers on the given phone number +1-202-606-1800. To know the address location of Fers it is also presented here 1900 E Street, North West Washington, DC-20415, United States of America.Is fers a good retirement plan? FERS is considered to be the best retirement plan as employees under it receive benefits from different sources. The three components of FERS retirement are the basic pension, Social security, and TSP. TSP and FERS are one of the best retirement systems for federal employees.How does fers retirement system work? For federal civilian employees, however, the Federal Employee Retirement System is used to provide for employee retirement benefits. Retirement funds from three different sources are combined in the FERS program, ensuring that federal civilian employees receive all of the retirement funding they are due.Can employee opt out of fers contributions? Can an employee opt out of FERS contributions? If the position is subject to FERS or CSRS deductions, deductions are mandatory. You cannot opt out. TSP can be opted out of, but you would be missing the employer matching.