Webthe standard age for retirement at the usps is 65, and there are retirement plans placed under both federal employment retirement system (fers) and civil. Webexperts believe future retirees will need to be able to get by. Letter carriers must be vigilant in their retirement planning. To assist them, this article will walk through ways letter carriers should be getting prepared. City carrier assistants city carrier. Webshe conducts individual and group counseling and is able to comprehensively discuss the pros and cons of employees who are on owcp, disability retirement and.